VDB
CVE-2021-21375
CVE-2021-21375
PUBLISHED
CVSS 6.5 MEDIUM
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 PJSIP version 2.10 and earlier, after an initial INVITE has been sent, when two 183 responses are received, with the first one causing negotiation failure, a crash will occur. This results in a denial of service.
EPSS 2.08% · 81.4th percentile
Risk Scores
CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score
2.08%
81.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | pjproject | 0, 2.1.0.0.ast20130823-1, 2.1.0.0.ast20130823-1+deb8u1build0.16.04.1 |
| Ubuntu:18.04:LTS | pjproject | 2.7.1~dfsg-1, 0, 2.7.2~dfsg-1 |
Timeline
- Mar 10, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Oct 27, 2021 EPSS Score
- Dec 30, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 3, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Jul 7, 2022 EPSS Score
- Sep 9, 2022 EPSS Score
- Jan 13, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
References
- https://github.com/pjsip/pjproject/security/advisories/GHSA-hvq6-f89p-frvp third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-21375 third-party-advisory
- https://ubuntu.com/security/CVE-2021-21375 advisory
- https://github.com/pjsip/pjproject/commit/97b3d7addbaa720b7ddb0af9bf6f3e443e664365 fix