Go to homepageCyberStrike

Menu

Star on GitHub · 3.3k
Sign inDownload

CVE-2022-21723

9.1 · CRITICAL

PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE.

Published Jan 27, 2022CWE-125EPSS 4.36%

Overview

CVE-2022-21723 is a critical-severity vulnerability. It was published on January 27, 2022 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In versions 2.11.1 and prior, parsing an incoming SIP message that contains a malformed multipart can potentially cause out-of-bound read access. This issue affects all PJSIP users that accept SIP multipart. The patch is available as commit in the `master` branch. There are no known workarounds.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refpacketstormsecurity.com/files/166227/Asterisk-Project-Security-Advisory-AST-2022-006.htmlRefseclists.org/fulldisclosure/2022/Mar/2GitHubgithub.com/pjsip/pjproject/commit/077b465c33f0aec05a49cd2ca456f9a1b112e896GitHubgithub.com/pjsip/pjproject/security/advisories/GHSA-7fw8-54cv-r7pmReflists.debian.org/debian-lts-announce/2022/03/msg00035.htmlReflists.debian.org/debian-lts-announce/2022/11/msg00021.htmlReflists.debian.org/debian-lts-announce/2023/08/msg00038.htmlRefsecurity.gentoo.org/glsa/202210-37Refwww.debian.org/security/2022/dsa-5285Refpacketstormsecurity.com/files/166227/Asterisk-Project-Security-Advisory-AST-2022-006.html

How CyberStrike helps

Frequently asked questions

What is CVE-2022-21723?

CVE-2022-21723 is a critical-severity vulnerability. It was published on January 27, 2022 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2022-21723?

This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-21723?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-21723?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-21723 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

Related CRITICAL CVEs from 2022

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999
LiveWatch live →