7.5
HIGH
CVE-2020-8286
"curl OCSP Certificate Revocation Impersonation Vulnerability"
Description

curl 7.41.0 through 7.73.0 is vulnerable to an improper check for certificate revocation due to insufficient verification of the OCSP response.

INFO

Published Date :

Dec. 14, 2020, 8:15 p.m.

Last Modified :

March 27, 2024, 3:47 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2020-8286 has a 3 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-2020-8286 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 Netapp hci_management_node
2 Netapp solidfire
3 Netapp clustered_data_ontap
4 Netapp hci_storage_node
5 Netapp hci_bootstrap_os
6 Netapp hci_storage_node_firmware
7 Netapp hci_compute_node
1 Oracle peoplesoft_enterprise_peopletools
2 Oracle communications_cloud_native_core_policy
3 Oracle communications_billing_and_revenue_management
4 Oracle essbase
1 Siemens simatic_tim_1531_irc_firmware
2 Siemens sinec_infrastructure_network_services
3 Siemens simatic_tim_1531_irc
1 Haxx curl
2 Haxx libcurl
1 Apple macos
2 Apple mac_os_x
1 Fedoraproject fedora
1 Debian debian_linux
1 Splunk universal_forwarder
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-2020-8286.

URL Resource
http://seclists.org/fulldisclosure/2021/Apr/50 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Apr/51 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Apr/54 Mailing List Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-200951.pdf Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf Patch Third Party Advisory
https://curl.se/docs/CVE-2020-8286.html Vendor Advisory
https://hackerone.com/reports/1048457 Exploit Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00029.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/ Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202012-14 Third Party Advisory
https://security.netapp.com/advisory/ntap-20210122-0007/ Third Party Advisory
https://support.apple.com/kb/HT212325 Third Party Advisory
https://support.apple.com/kb/HT212326 Third Party Advisory
https://support.apple.com/kb/HT212327 Third Party Advisory
https://www.debian.org/security/2021/dsa-4881 Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.html Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.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).

Automatic monitor github cve using Github Actions

Python

Updated: 2 months ago
1 stars 56 fork 56 watcher
Born at : April 7, 2021, 11:16 a.m. This repo has been linked 1007 different CVEs too.

Sample configuration for HTTP and Network mTLS using envoy yaml

certificate envoy envoyproxy https ssl tls

Go

Updated: 3 months ago
17 stars 9 fork 9 watcher
Born at : Dec. 12, 2020, 3:52 p.m. This repo has been linked 1 different CVEs too.

None

Go Dockerfile Ruby Shell Smarty

Updated: 2 years, 1 month ago
0 stars 0 fork 0 watcher
Born at : Dec. 9, 2020, 12:02 p.m. This repo has been linked 2 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-2020-8286 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-8286 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
  • Modified Analysis by [email protected]

    Mar. 27, 2024

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/ No Types Assigned https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/ No Types Assigned https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/ Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:* versions from (including) 8.2.0 up to (excluding) 8.2.12 *cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:* versions from (including) 9.0.0 up to (excluding) 9.0.6 *cpe:2.3:a:splunk:universal_forwarder:9.1.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference HackerOne https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/ [No types assigned]
    Added Reference HackerOne https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/ [No types assigned]
    Removed Reference HackerOne https://lists.fedoraproject.org/archives/list/[email protected]/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/
    Removed Reference HackerOne https://lists.fedoraproject.org/archives/list/[email protected]/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/
  • Modified Analysis by [email protected]

    May. 13, 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_billing_and_revenue_management:12.0.0.3.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:essbase:21.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.58:*:*:*:*:*:*:* OR *cpe:2.3:a:oracle:communications_billing_and_revenue_management:12.0.0.3.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.14.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:essbase:21.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.58:*:*:*:*:*:*:*
  • 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]

    Apr. 06, 2022

    Action Type Old Value New Value
    Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf Patch, Third Party Advisory
    Changed Reference Type https://www.oracle.com//security-alerts/cpujul2021.html No Types Assigned https://www.oracle.com//security-alerts/cpujul2021.html Third Party Advisory
    Changed Reference Type https://www.oracle.com/security-alerts/cpuApr2021.html No Types Assigned https://www.oracle.com/security-alerts/cpuApr2021.html Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.1
    Added CPE Configuration OR *cpe:2.3:a:oracle:communications_billing_and_revenue_management:12.0.0.3.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:essbase:21.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.58:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Mar. 10, 2022

    Action Type Old Value New Value
    Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 20, 2021

    Action Type Old Value New Value
    Added Reference https://www.oracle.com//security-alerts/cpujul2021.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 14, 2021

    Action Type Old Value New Value
    Added Reference https://www.oracle.com/security-alerts/cpuApr2021.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Jun. 08, 2021

    Action Type Old Value New Value
    Changed Reference Type http://seclists.org/fulldisclosure/2021/Apr/50 No Types Assigned http://seclists.org/fulldisclosure/2021/Apr/50 Mailing List, Third Party Advisory
    Changed Reference Type http://seclists.org/fulldisclosure/2021/Apr/54 No Types Assigned http://seclists.org/fulldisclosure/2021/Apr/54 Mailing List, Third Party Advisory
    Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-200951.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-200951.pdf Third Party Advisory
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_tim_1531_irc_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.2 OR cpe:2.3:h:siemens:simatic_tim_1531_irc:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jun. 08, 2021

    Action Type Old Value New Value
    Added Reference http://seclists.org/fulldisclosure/2021/Apr/54 [No Types Assigned]
    Added Reference http://seclists.org/fulldisclosure/2021/Apr/50 [No Types Assigned]
    Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-200951.pdf [No Types Assigned]
  • Modified Analysis by [email protected]

    May. 03, 2021

    Action Type Old Value New Value
    Changed Reference Type http://seclists.org/fulldisclosure/2021/Apr/51 No Types Assigned http://seclists.org/fulldisclosure/2021/Apr/51 Mailing List, Third Party Advisory
  • CVE Modified by [email protected]

    Apr. 27, 2021

    Action Type Old Value New Value
    Added Reference http://seclists.org/fulldisclosure/2021/Apr/51 [No Types Assigned]
  • Modified Analysis by [email protected]

    Apr. 27, 2021

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/ Third Party Advisory https://lists.fedoraproject.org/archives/list/[email protected]/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/ Third Party Advisory https://lists.fedoraproject.org/archives/list/[email protected]/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/ Mailing List, Third Party Advisory
    Changed Reference Type https://security.gentoo.org/glsa/202012-14 No Types Assigned https://security.gentoo.org/glsa/202012-14 Third Party Advisory
    Changed Reference Type https://security.netapp.com/advisory/ntap-20210122-0007/ No Types Assigned https://security.netapp.com/advisory/ntap-20210122-0007/ Third Party Advisory
    Changed Reference Type https://support.apple.com/kb/HT212325 No Types Assigned https://support.apple.com/kb/HT212325 Third Party Advisory
    Changed Reference Type https://support.apple.com/kb/HT212326 No Types Assigned https://support.apple.com/kb/HT212326 Third Party Advisory
    Changed Reference Type https://support.apple.com/kb/HT212327 No Types Assigned https://support.apple.com/kb/HT212327 Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2021/dsa-4881 No Types Assigned https://www.debian.org/security/2021/dsa-4881 Third Party Advisory
    Removed CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
    Changed CPE Configuration OR *cpe:2.3:a:haxx:libcurl:*:*:*:*:*:*:*:* versions from (including) 7.41.0 up to (including) 7.73.0 OR *cpe:2.3:a:haxx:libcurl:*:*:*:*:*:*:*:* versions from (including) 7.41.0 up to (excluding) 7.74.0
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:hci_bootstrap_os:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:hci_storage_node_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:hci_storage_node:-:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* versions up to (excluding) 10.14.6 *cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-001:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* versions from (including) 10.15 up to (excluding) 10.15.7 *cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:* *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 11.0 up to (excluding) 11.3
  • CVE Modified by [email protected]

    Apr. 26, 2021

    Action Type Old Value New Value
    Added Reference https://support.apple.com/kb/HT212325 [No Types Assigned]
    Added Reference https://support.apple.com/kb/HT212326 [No Types Assigned]
    Added Reference https://support.apple.com/kb/HT212327 [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 01, 2021

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2021/dsa-4881 [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 26, 2021

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20210122-0007/ [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 23, 2020

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/202012-14 [No Types Assigned]
  • Modified Analysis by [email protected]

    Dec. 22, 2020

    Action Type Old Value New Value
    Changed Reference Type https://hackerone.com/reports/1048457 Exploit, Third Party Advisory https://hackerone.com/reports/1048457 Exploit, Patch, Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/12/msg00029.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/12/msg00029.html Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/ Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/ Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:* versions from (including) 7.41.0 up to (including) 7.73.0 OR *cpe:2.3:a:haxx:libcurl:*:*:*:*:*:*:*:* versions from (including) 7.41.0 up to (including) 7.73.0
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Dec. 21, 2020

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/ [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 19, 2020

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2020/12/msg00029.html [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 15, 2020

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Dec. 15, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
    Changed Reference Type https://curl.se/docs/CVE-2020-8286.html No Types Assigned https://curl.se/docs/CVE-2020-8286.html Vendor Advisory
    Changed Reference Type https://hackerone.com/reports/1048457 No Types Assigned https://hackerone.com/reports/1048457 Exploit, Third Party Advisory
    Added CWE NIST CWE-295
    Added CPE Configuration OR *cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:* versions from (including) 7.41.0 up to (including) 7.73.0
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-2020-8286 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-2020-8286 weaknesses.

Exploit Prediction

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

0.35 }} -0.06%

score

0.72469

percentile

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