7.7
HIGH
CVE-2021-23017
Nginx DNS Resolver Memory Overwrite Vulnerability
Description

A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause 1-byte memory overwrite, resulting in worker process crash or potential other impact.

INFO

Published Date :

June 1, 2021, 1:15 p.m.

Last Modified :

Nov. 7, 2023, 3:30 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.5

Exploitability Score :

2.2
Public PoC/Exploit Available at Github

CVE-2021-23017 has a 38 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-23017 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Oracle blockchain_platform
2 Oracle communications_operations_monitor
3 Oracle communications_session_border_controller
4 Oracle enterprise_communications_broker
5 Oracle enterprise_session_border_controller
6 Oracle goldengate
7 Oracle communications_control_plane_monitor
8 Oracle communications_fraud_monitor
9 Oracle enterprise_telephony_fraud_monitor
1 Fedoraproject fedora
1 Netapp ontap_select_deploy_administration_utility
1 F5 nginx
1 Openresty openresty
: Total Affected Vendor : 5 | Products : 13
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-23017.

URL Resource
http://mailman.nginx.org/pipermail/nginx-announce/2021/000300.html Mailing List Patch Vendor Advisory
http://packetstormsecurity.com/files/167720/Nginx-1.20.0-Denial-Of-Service.html Third Party Advisory VDB Entry
https://lists.apache.org/thread.html/r37e6b2165f7c910d8e15fd54f4697857619ad2625f56583802004009%40%3Cnotifications.apisix.apache.org%3E
https://lists.apache.org/thread.html/r4d4966221ca399ce948ef34884652265729d7d9ef8179c78d7f17e7f%40%3Cnotifications.apisix.apache.org%3E
https://lists.apache.org/thread.html/r6fc5c57b38e93e36213e9a18c8a4e5dbd5ced1c7e57f08a1735975ba%40%3Cnotifications.apisix.apache.org%3E
https://lists.apache.org/thread.html/rf232eecd47fdc44520192810560303073cefd684b321f85e311bad31%40%3Cnotifications.apisix.apache.org%3E
https://lists.apache.org/thread.html/rf318aeeb4d7a3a312734780b47de83cefb7e6995da0b2cae5c28675c%40%3Cnotifications.apisix.apache.org%3E
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7SFVYHC7OXTEO4SMBWXDVK6E5IMEYMEE/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GNKOP2JR5L7KCIZTJRZDCUPJTUONMC5I/
https://security.netapp.com/advisory/ntap-20210708-0006/ Third Party Advisory
https://support.f5.com/csp/article/K12331123%2C
https://www.oracle.com/security-alerts/cpuapr2022.html Patch Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html Patch Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html Patch Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
jarinlima/k8s-ingress-controller-old

None

Lua Makefile Shell Mustache Go Python Dockerfile HTML

Updated: 3 months ago
0 stars 0 fork 0 watcher
Born at : June 16, 2024, 4:26 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
631068264/multi-cluster-ingress-nginx

None

Lua Makefile Shell Mustache Smarty Go Python Dockerfile HTML

Updated: 4 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : April 30, 2024, 1:03 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
NaInSec/CVE-PoC-in-GitHub

All CVE - PoC in GitHub

poc proofofconcept tester allcve cvegithub cvenew cvepoc cveupdate

Updated: 3 weeks, 2 days ago
5 stars 2 fork 2 watcher
Born at : March 22, 2024, 3:58 p.m. This repo has been linked 928 different CVEs too.
Profile Photo
zecool/cve

None

Updated: 6 months ago
1 stars 0 fork 0 watcher
Born at : March 11, 2024, 1:21 p.m. This repo has been linked 930 different CVEs too.
Profile Photo
ReturnRei/Snort_poc

None

Dockerfile Shell Python

Updated: 7 months ago
0 stars 0 fork 0 watcher
Born at : Feb. 12, 2024, 11:55 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
M507/M507

None

Updated: 8 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : Dec. 22, 2023, 2:46 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
ShivamDey/CVE-2021-23017

None

Python

Updated: 10 months, 4 weeks ago
0 stars 0 fork 0 watcher
Born at : Oct. 21, 2023, 4:24 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
eggkingo/polyblog

https://eggkingo.github.io/polyblog/

Updated: 10 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : Oct. 12, 2023, 6:02 a.m. This repo has been linked 2 different CVEs too.
Profile Photo
zlz4642/ingress-nginx

None

Lua Makefile

Updated: 1 year ago
0 stars 0 fork 0 watcher
Born at : Sept. 8, 2023, 7:22 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
adityamillind98/nginx

None

Lua Makefile Shell Mustache Smarty Go Python Dockerfile HTML CMake

Updated: 1 year ago
0 stars 0 fork 0 watcher
Born at : Aug. 29, 2023, 11:47 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
Logeswark/helmpackage

None

Lua Makefile Shell Mustache Smarty Go Python Dockerfile HTML CMake

Updated: 1 year ago
0 stars 0 fork 0 watcher
Born at : Aug. 22, 2023, 8:38 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
lakshit1212/CVE-2021-23017-PoC

None

Python

Updated: 1 year ago
1 stars 0 fork 0 watcher
Born at : July 20, 2023, 5:39 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
ryanarabety/ingress-nginx-Kubernetes

None

Lua Makefile Shell Mustache Smarty Go Python Dockerfile HTML CMake

Updated: 1 year, 2 months ago
0 stars 0 fork 0 watcher
Born at : July 12, 2023, 11:04 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
maksonlee/ingress-nginx

None

Lua Makefile Shell Mustache Smarty Go Python Dockerfile HTML CMake

Updated: 1 year, 2 months ago
0 stars 0 fork 0 watcher
Born at : July 9, 2023, 2:11 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
Aswinisurya99/ingress-ngininx

None

Lua Makefile Shell Mustache Smarty Go Python Dockerfile HTML CMake

Updated: 1 year, 4 months ago
0 stars 0 fork 0 watcher
Born at : May 7, 2023, 7:11 a.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-23017 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-23017 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference F5 Networks https://support.f5.com/csp/article/K12331123%2C [No types assigned]
    Added Reference F5 Networks https://lists.apache.org/thread.html/r6fc5c57b38e93e36213e9a18c8a4e5dbd5ced1c7e57f08a1735975ba%40%3Cnotifications.apisix.apache.org%3E [No types assigned]
    Added Reference F5 Networks https://lists.apache.org/thread.html/r37e6b2165f7c910d8e15fd54f4697857619ad2625f56583802004009%40%3Cnotifications.apisix.apache.org%3E [No types assigned]
    Added Reference F5 Networks https://lists.apache.org/thread.html/rf318aeeb4d7a3a312734780b47de83cefb7e6995da0b2cae5c28675c%40%3Cnotifications.apisix.apache.org%3E [No types assigned]
    Added Reference F5 Networks https://lists.apache.org/thread.html/r4d4966221ca399ce948ef34884652265729d7d9ef8179c78d7f17e7f%40%3Cnotifications.apisix.apache.org%3E [No types assigned]
    Added Reference F5 Networks https://lists.apache.org/thread.html/rf232eecd47fdc44520192810560303073cefd684b321f85e311bad31%40%3Cnotifications.apisix.apache.org%3E [No types assigned]
    Added Reference F5 Networks https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GNKOP2JR5L7KCIZTJRZDCUPJTUONMC5I/ [No types assigned]
    Added Reference F5 Networks https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7SFVYHC7OXTEO4SMBWXDVK6E5IMEYMEE/ [No types assigned]
    Removed Reference F5 Networks https://support.f5.com/csp/article/K12331123,
    Removed Reference F5 Networks https://lists.apache.org/thread.html/r6fc5c57b38e93e36213e9a18c8a4e5dbd5ced1c7e57f08a1735975ba@%3Cnotifications.apisix.apache.org%3E
    Removed Reference F5 Networks https://lists.apache.org/thread.html/rf318aeeb4d7a3a312734780b47de83cefb7e6995da0b2cae5c28675c@%3Cnotifications.apisix.apache.org%3E
    Removed Reference F5 Networks https://lists.apache.org/thread.html/r37e6b2165f7c910d8e15fd54f4697857619ad2625f56583802004009@%3Cnotifications.apisix.apache.org%3E
    Removed Reference F5 Networks https://lists.apache.org/thread.html/rf232eecd47fdc44520192810560303073cefd684b321f85e311bad31@%3Cnotifications.apisix.apache.org%3E
    Removed Reference F5 Networks https://lists.apache.org/thread.html/r4d4966221ca399ce948ef34884652265729d7d9ef8179c78d7f17e7f@%3Cnotifications.apisix.apache.org%3E
    Removed Reference F5 Networks https://lists.fedoraproject.org/archives/list/[email protected]/message/7SFVYHC7OXTEO4SMBWXDVK6E5IMEYMEE/
    Removed Reference F5 Networks https://lists.fedoraproject.org/archives/list/[email protected]/message/GNKOP2JR5L7KCIZTJRZDCUPJTUONMC5I/
  • Modified Analysis by [email protected]

    Sep. 14, 2022

    Action Type Old Value New Value
    Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
    Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
    Changed Reference Type http://packetstormsecurity.com/files/167720/Nginx-1.20.0-Denial-Of-Service.html No Types Assigned http://packetstormsecurity.com/files/167720/Nginx-1.20.0-Denial-Of-Service.html Third Party Advisory, VDB Entry
  • CVE Modified by [email protected]

    Jul. 12, 2022

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/167720/Nginx-1.20.0-Denial-Of-Service.html [No Types Assigned]
  • Modified Analysis by [email protected]

    May. 10, 2022

    Action Type Old Value New Value
    Changed Reference Type https://www.oracle.com/security-alerts/cpuapr2022.html No Types Assigned https://www.oracle.com/security-alerts/cpuapr2022.html Patch, Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:oracle:communications_control_plane_monitor:3.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_control_plane_monitor:4.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_control_plane_monitor:4.3:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_control_plane_monitor:4.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_fraud_monitor:*:*:*:*:*:*:*:* versions from (including) 3.4 up to (including) 4.4 *cpe:2.3:a:oracle:communications_operations_monitor:3.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_operations_monitor:4.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_operations_monitor:4.3:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_operations_monitor:4.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_session_border_controller:8.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_session_border_controller:9.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_communications_broker:3.3.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_session_border_controller:8.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_session_border_controller:9.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_telephony_fraud_monitor:3.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_telephony_fraud_monitor:4.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_telephony_fraud_monitor:4.3:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_telephony_fraud_monitor:4.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:goldengate:*:*:*:*:*:*:*:* versions up to (excluding) 21.4.0.0.0 OR *cpe:2.3:a:oracle:blockchain_platform:*:*:*:*:*:*:*:* versions up to (excluding) 21.1.2 *cpe:2.3:a:oracle:communications_control_plane_monitor:3.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_control_plane_monitor:4.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_control_plane_monitor:4.3:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_control_plane_monitor:4.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_fraud_monitor:*:*:*:*:*:*:*:* versions from (including) 3.4 up to (including) 4.4 *cpe:2.3:a:oracle:communications_operations_monitor:3.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_operations_monitor:4.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_operations_monitor:4.3:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_operations_monitor:4.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_session_border_controller:8.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_session_border_controller:9.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_communications_broker:3.3.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_session_border_controller:8.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_session_border_controller:9.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_telephony_fraud_monitor:3.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_telephony_fraud_monitor:4.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_telephony_fraud_monitor:4.3:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_telephony_fraud_monitor:4.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:goldengate:*:*:*:*:*:*:*:* versions up to (excluding) 21.4.0.0.0
  • CVE Modified by [email protected]

    Apr. 20, 2022

    Action Type Old Value New Value
    Added Reference https://www.oracle.com/security-alerts/cpuapr2022.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 31, 2022

    Action Type Old Value New Value
    Changed Reference Type https://www.oracle.com/security-alerts/cpujan2022.html No Types Assigned https://www.oracle.com/security-alerts/cpujan2022.html Patch, Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:oracle:communications_control_plane_monitor:3.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_control_plane_monitor:4.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_control_plane_monitor:4.3:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_control_plane_monitor:4.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_fraud_monitor:*:*:*:*:*:*:*:* versions from (including) 3.4 up to (including) 4.4 *cpe:2.3:a:oracle:communications_operations_monitor:3.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_operations_monitor:4.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_operations_monitor:4.3:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_operations_monitor:4.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_telephony_fraud_monitor:3.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_telephony_fraud_monitor:4.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_telephony_fraud_monitor:4.3:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_telephony_fraud_monitor:4.4:*:*:*:*:*:*:* OR *cpe:2.3:a:oracle:communications_control_plane_monitor:3.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_control_plane_monitor:4.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_control_plane_monitor:4.3:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_control_plane_monitor:4.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_fraud_monitor:*:*:*:*:*:*:*:* versions from (including) 3.4 up to (including) 4.4 *cpe:2.3:a:oracle:communications_operations_monitor:3.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_operations_monitor:4.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_operations_monitor:4.3:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_operations_monitor:4.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_session_border_controller:8.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_session_border_controller:9.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_communications_broker:3.3.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_session_border_controller:8.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_session_border_controller:9.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_telephony_fraud_monitor:3.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_telephony_fraud_monitor:4.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_telephony_fraud_monitor:4.3:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_telephony_fraud_monitor:4.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:goldengate:*:*:*:*:*:*:*:* versions up to (excluding) 21.4.0.0.0
  • CVE Modified by [email protected]

    Feb. 07, 2022

    Action Type Old Value New Value
    Added Reference https://www.oracle.com/security-alerts/cpujan2022.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Dec. 08, 2021

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/7SFVYHC7OXTEO4SMBWXDVK6E5IMEYMEE/ Third Party Advisory https://lists.fedoraproject.org/archives/list/[email protected]/message/7SFVYHC7OXTEO4SMBWXDVK6E5IMEYMEE/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/GNKOP2JR5L7KCIZTJRZDCUPJTUONMC5I/ Third Party Advisory https://lists.fedoraproject.org/archives/list/[email protected]/message/GNKOP2JR5L7KCIZTJRZDCUPJTUONMC5I/ Mailing List, Third Party Advisory
    Changed Reference Type https://www.oracle.com/security-alerts/cpuoct2021.html No Types Assigned https://www.oracle.com/security-alerts/cpuoct2021.html Patch, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:oracle:communications_control_plane_monitor:3.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_control_plane_monitor:4.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_control_plane_monitor:4.3:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_control_plane_monitor:4.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_fraud_monitor:*:*:*:*:*:*:*:* versions from (including) 3.4 up to (including) 4.4 *cpe:2.3:a:oracle:communications_operations_monitor:3.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_operations_monitor:4.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_operations_monitor:4.3:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_operations_monitor:4.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_telephony_fraud_monitor:3.4:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_telephony_fraud_monitor:4.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_telephony_fraud_monitor:4.3:*:*:*:*:*:*:* *cpe:2.3:a:oracle:enterprise_telephony_fraud_monitor:4.4:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Oct. 20, 2021

    Action Type Old Value New Value
    Added Reference https://www.oracle.com/security-alerts/cpuoct2021.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Oct. 14, 2021

    Action Type Old Value New Value
    Removed CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
    Changed Reference Type https://security.netapp.com/advisory/ntap-20210708-0006/ No Types Assigned https://security.netapp.com/advisory/ntap-20210708-0006/ Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:nginx:nginx:*:*:*:*:*:*:*:* versions from (including) 0.6.18 up to (excluding) 1.20.1 OR *cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:* versions from (including) 0.6.18 up to (excluding) 1.20.1
    Added CPE Configuration OR *cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jul. 08, 2021

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20210708-0006/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Jun. 29, 2021

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/7SFVYHC7OXTEO4SMBWXDVK6E5IMEYMEE/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/7SFVYHC7OXTEO4SMBWXDVK6E5IMEYMEE/ Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/GNKOP2JR5L7KCIZTJRZDCUPJTUONMC5I/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/GNKOP2JR5L7KCIZTJRZDCUPJTUONMC5I/ Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:openresty:openresty:*:*:*:*:*:*:*:* versions up to (excluding) 1.19.3.2
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jun. 11, 2021

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/7SFVYHC7OXTEO4SMBWXDVK6E5IMEYMEE/ [No Types Assigned]
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/GNKOP2JR5L7KCIZTJRZDCUPJTUONMC5I/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Jun. 10, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://mailman.nginx.org/pipermail/nginx-announce/2021/000300.html No Types Assigned http://mailman.nginx.org/pipermail/nginx-announce/2021/000300.html Mailing List, Patch, Vendor Advisory
    Changed Reference Type https://lists.apache.org/thread.html/r37e6b2165f7c910d8e15fd54f4697857619ad2625f56583802004009@%3Cnotifications.apisix.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r37e6b2165f7c910d8e15fd54f4697857619ad2625f56583802004009@%3Cnotifications.apisix.apache.org%3E Mailing List, Third Party Advisory
    Changed Reference Type https://lists.apache.org/thread.html/r4d4966221ca399ce948ef34884652265729d7d9ef8179c78d7f17e7f@%3Cnotifications.apisix.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r4d4966221ca399ce948ef34884652265729d7d9ef8179c78d7f17e7f@%3Cnotifications.apisix.apache.org%3E Mailing List, Third Party Advisory
    Changed Reference Type https://lists.apache.org/thread.html/r6fc5c57b38e93e36213e9a18c8a4e5dbd5ced1c7e57f08a1735975ba@%3Cnotifications.apisix.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r6fc5c57b38e93e36213e9a18c8a4e5dbd5ced1c7e57f08a1735975ba@%3Cnotifications.apisix.apache.org%3E Mailing List, Third Party Advisory
    Changed Reference Type https://lists.apache.org/thread.html/rf232eecd47fdc44520192810560303073cefd684b321f85e311bad31@%3Cnotifications.apisix.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/rf232eecd47fdc44520192810560303073cefd684b321f85e311bad31@%3Cnotifications.apisix.apache.org%3E Mailing List, Third Party Advisory
    Changed Reference Type https://lists.apache.org/thread.html/rf318aeeb4d7a3a312734780b47de83cefb7e6995da0b2cae5c28675c@%3Cnotifications.apisix.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/rf318aeeb4d7a3a312734780b47de83cefb7e6995da0b2cae5c28675c@%3Cnotifications.apisix.apache.org%3E Mailing List, Third Party Advisory
    Changed Reference Type https://support.f5.com/csp/article/K12331123, No Types Assigned https://support.f5.com/csp/article/K12331123, Broken Link
    Added CWE NIST CWE-193
    Added CPE Configuration OR *cpe:2.3:a:nginx:nginx:*:*:*:*:*:*:*:* versions from (including) 0.6.18 up to (excluding) 1.20.1
  • CVE Modified by [email protected]

    Jun. 09, 2021

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/rf232eecd47fdc44520192810560303073cefd684b321f85e311bad31@%3Cnotifications.apisix.apache.org%3E [No Types Assigned]
    Added Reference https://lists.apache.org/thread.html/r4d4966221ca399ce948ef34884652265729d7d9ef8179c78d7f17e7f@%3Cnotifications.apisix.apache.org%3E [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 08, 2021

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/rf318aeeb4d7a3a312734780b47de83cefb7e6995da0b2cae5c28675c@%3Cnotifications.apisix.apache.org%3E [No Types Assigned]
    Added Reference https://lists.apache.org/thread.html/r37e6b2165f7c910d8e15fd54f4697857619ad2625f56583802004009@%3Cnotifications.apisix.apache.org%3E [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 08, 2021

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/r6fc5c57b38e93e36213e9a18c8a4e5dbd5ced1c7e57f08a1735975ba@%3Cnotifications.apisix.apache.org%3E [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-23017 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-23017 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

31.62 }} -7.33%

score

0.97054

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: