Vulnerability Details : CVE-2021-41141

PJSIP is a free and open source multimedia communication library written in the C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In various parts of PJSIP, when error/failure occurs, it is found that the function returns without releasing the currently held locks. This could result in a system deadlock, which cause a denial of service for the users. No release has yet been made which contains the linked fix commit. All versions up to an including 2.11.1 are affected. Users may need to manually apply the patch.
Published 2022-01-04 19:15:15
Updated 2022-11-16 19:07:09
Source GitHub, Inc.
View at NVD,   CVE.org
Vulnerability category: Denial of service

Products affected by CVE-2021-41141

Exploit prediction scoring system (EPSS) score for CVE-2021-41141

EPSS FAQ
0.51%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 76 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-41141

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.8
 HIGH AV:N/AC:L/Au:N/C:N/I:N/A:C
10.0
6.9
 NIST
7.5
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
 NIST
5.9
 MEDIUM CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
2.2
3.6
 GitHub, Inc.

CWE ids for CVE-2021-41141

  • The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.
    Assigned by:
    • nvd@nist.gov (Secondary)
    • security-advisories@github.com (Primary)

References for CVE-2021-41141

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