Description

Go before 1.15.15 and 1.16.x before 1.16.7 has a race condition that can lead to a net/http/httputil ReverseProxy panic upon an ErrAbortHandler abort.

INFO

Published Date :

Aug. 8, 2021, 6:15 a.m.

Last Modified :

Nov. 21, 2024, 6:13 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.2
Public PoC/Exploit Available at Github

CVE-2021-36221 has a 5 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-2021-36221 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 Siemens scalance_lpe9403_firmware
2 Siemens scalance_lpe9403
1 Fedoraproject fedora
1 Debian debian_linux
1 Golang go
1 Oracle timesten_in-memory_database
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-2021-36221.

URL Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf Patch Third Party Advisory
https://groups.google.com/forum/#%21forum/golang-announce
https://groups.google.com/g/golang-announce/c/JvWG9FUUYT0 Mailing List Third Party Advisory
https://groups.google.com/g/golang-announce/c/uHACNfXAZqk Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/01/msg00016.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/01/msg00017.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/04/msg00021.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2MU47VKTNXX33ZDLTI2ORRUY3KLJKU6G/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HM7U5JNS5WU66Q3S26PFIU2ITB2ATTQ4/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J4AMYYHGBYMIWCCR5RCDFI5RAUJOPO5L/
https://security.gentoo.org/glsa/202208-02 Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf Patch Third Party Advisory
https://groups.google.com/forum/#%21forum/golang-announce
https://groups.google.com/g/golang-announce/c/JvWG9FUUYT0 Mailing List Third Party Advisory
https://groups.google.com/g/golang-announce/c/uHACNfXAZqk Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/01/msg00016.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/01/msg00017.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/04/msg00021.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2MU47VKTNXX33ZDLTI2ORRUY3KLJKU6G/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HM7U5JNS5WU66Q3S26PFIU2ITB2ATTQ4/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J4AMYYHGBYMIWCCR5RCDFI5RAUJOPO5L/
https://security.gentoo.org/glsa/202208-02 Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html 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).

None

Dockerfile

Updated: 2 weeks, 4 days ago
0 stars 0 fork 0 watcher
Born at : Dec. 4, 2024, 12:29 p.m. This repo has been linked 49 different CVEs too.

None

Dockerfile

Updated: 2 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : Oct. 15, 2024, 2:12 p.m. This repo has been linked 49 different CVEs too.

None

Dockerfile

Updated: 1 year, 1 month ago
0 stars 0 fork 0 watcher
Born at : Oct. 31, 2023, 7:09 p.m. This repo has been linked 49 different CVEs too.

None

Dockerfile

Updated: 7 months, 4 weeks ago
0 stars 1 fork 1 watcher
Born at : March 27, 2023, 3:07 p.m. This repo has been linked 49 different CVEs too.

Container image with malware and crypto miner for testing purposes

container crypto cryptominer dockerfile eicar image malware test xmrig

Dockerfile

Updated: 3 weeks ago
41 stars 22 fork 22 watcher
Born at : Nov. 4, 2022, 9:16 a.m. This repo has been linked 49 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-2021-36221 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-36221 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf
    Added Reference https://groups.google.com/forum/#%21forum/golang-announce
    Added Reference https://groups.google.com/g/golang-announce/c/JvWG9FUUYT0
    Added Reference https://groups.google.com/g/golang-announce/c/uHACNfXAZqk
    Added Reference https://lists.debian.org/debian-lts-announce/2022/01/msg00016.html
    Added Reference https://lists.debian.org/debian-lts-announce/2022/01/msg00017.html
    Added Reference https://lists.debian.org/debian-lts-announce/2023/04/msg00021.html
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2MU47VKTNXX33ZDLTI2ORRUY3KLJKU6G/
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HM7U5JNS5WU66Q3S26PFIU2ITB2ATTQ4/
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J4AMYYHGBYMIWCCR5RCDFI5RAUJOPO5L/
    Added Reference https://security.gentoo.org/glsa/202208-02
    Added Reference https://www.oracle.com/security-alerts/cpujan2022.html
  • 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 MITRE https://groups.google.com/forum/#%21forum/golang-announce [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J4AMYYHGBYMIWCCR5RCDFI5RAUJOPO5L/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2MU47VKTNXX33ZDLTI2ORRUY3KLJKU6G/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HM7U5JNS5WU66Q3S26PFIU2ITB2ATTQ4/ [No types assigned]
    Removed Reference MITRE https://groups.google.com/forum/#!forum/golang-announce
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/J4AMYYHGBYMIWCCR5RCDFI5RAUJOPO5L/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/2MU47VKTNXX33ZDLTI2ORRUY3KLJKU6G/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/HM7U5JNS5WU66Q3S26PFIU2ITB2ATTQ4/
  • CVE Modified by [email protected]

    Apr. 20, 2023

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2023/04/msg00021.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Sep. 14, 2022

    Action Type Old Value New Value
    Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf Patch, Third Party Advisory
    Changed Reference Type https://security.gentoo.org/glsa/202208-02 No Types Assigned https://security.gentoo.org/glsa/202208-02 Third Party Advisory
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_lpe9403_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.0 OR cpe:2.3:h:siemens:scalance_lpe9403:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Aug. 04, 2022

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/202208-02 [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 14, 2022

    Action Type Old Value New Value
    Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf [No Types Assigned]
  • Modified Analysis by [email protected]

    Feb. 09, 2022

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/01/msg00016.html No Types Assigned https://lists.debian.org/debian-lts-announce/2022/01/msg00016.html Mailing List, Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/01/msg00017.html No Types Assigned https://lists.debian.org/debian-lts-announce/2022/01/msg00017.html Mailing List, Third Party Advisory
    Changed Reference Type https://www.oracle.com/security-alerts/cpujan2022.html No Types Assigned https://www.oracle.com/security-alerts/cpujan2022.html Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:oracle:timesten_in-memory_database:*:*:*:*:*:*:*:* versions up to (excluding) 21.1.1.1.0
  • 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]
  • CVE Modified by [email protected]

    Jan. 22, 2022

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2022/01/msg00017.html [No Types Assigned]
    Added Reference https://lists.debian.org/debian-lts-announce/2022/01/msg00016.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Dec. 02, 2021

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/2MU47VKTNXX33ZDLTI2ORRUY3KLJKU6G/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/2MU47VKTNXX33ZDLTI2ORRUY3KLJKU6G/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/HM7U5JNS5WU66Q3S26PFIU2ITB2ATTQ4/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/HM7U5JNS5WU66Q3S26PFIU2ITB2ATTQ4/ Mailing List, Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Sep. 25, 2021

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/HM7U5JNS5WU66Q3S26PFIU2ITB2ATTQ4/ [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 22, 2021

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/2MU47VKTNXX33ZDLTI2ORRUY3KLJKU6G/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Sep. 16, 2021

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/J4AMYYHGBYMIWCCR5RCDFI5RAUJOPO5L/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/J4AMYYHGBYMIWCCR5RCDFI5RAUJOPO5L/ Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Sep. 16, 2021

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/J4AMYYHGBYMIWCCR5RCDFI5RAUJOPO5L/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Aug. 19, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://groups.google.com/forum/#!forum/golang-announce No Types Assigned https://groups.google.com/forum/#!forum/golang-announce Mailing List, Release Notes, Third Party Advisory
    Changed Reference Type https://groups.google.com/g/golang-announce/c/JvWG9FUUYT0 No Types Assigned https://groups.google.com/g/golang-announce/c/JvWG9FUUYT0 Mailing List, Third Party Advisory
    Changed Reference Type https://groups.google.com/g/golang-announce/c/uHACNfXAZqk No Types Assigned https://groups.google.com/g/golang-announce/c/uHACNfXAZqk Mailing List, Third Party Advisory
    Added CWE NIST CWE-362
    Added CPE Configuration OR *cpe:2.3:a:golang:go:*:*:*:*:*:*:*:* versions up to (excluding) 1.15.15 *cpe:2.3:a:golang:go:*:*:*:*:*:*:*:* versions from (including) 1.16.0 up to (excluding) 1.16.7
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-2021-36221 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-2021-36221 weaknesses.

Exploit Prediction

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

0.64 }} -0.34%

score

0.79075

percentile

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