VDB
CVE-2020-35776
CVE-2020-35776
PUBLISHED
A buffer overflow in res_pjsip_diversion.c in Sangoma Asterisk versions 13.38.1, 16.15.1, 17.9.1, and 18.1.1 allows remote attacker to crash Asterisk by deliberately misusing SIP 181 responses.
EPSS 0.09% · 24.6th percentile
Risk Scores
EPSS Score
0.09%
24.6th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | asterisk | 1:16.2.1~dfsg-2build3, 1:16.2.1~dfsg-2build2, 0 |
| Ubuntu:Pro:16.04:LTS | asterisk | 1:13.1.0~dfsg-1.1ubuntu4.1, 1:13.1.0~dfsg-1.1ubuntu4.1+esm1, 1:13.1.0~dfsg-1.1ubuntu4 |
| Ubuntu:18.04:LTS | asterisk | 0, 1:13.18.1~dfsg-1ubuntu1, 1:13.18.3~dfsg-1ubuntu1 |
| Ubuntu:22.04:LTS | asterisk | 1:16.16.1~dfsg-2, 1:16.16.1~dfsg+~2.10-1, * |
| Ubuntu:25.10 | asterisk | 1:22.2.0~dfsg+~cs6.15.60671435-2, *, 0 |
| Ubuntu:24.04:LTS | asterisk | *, 1:20.5.0~dfsg+~cs6.13.40431414-1, 1:20.4.0~dfsg+~cs6.13.40431414-2 |
Timeline
- Feb 18, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 22, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 27, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
- Nov 5, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-35776 third-party-advisory
- https://downloads.asterisk.org/pub/security/AST-2021-001.html third-party-advisory
- https://issues.asterisk.org/jira/browse/ASTERISK-29227 third-party-advisory
- http://packetstormsecurity.com/files/161470/Asterisk-Project-Security-Advisory-AST-2021-001.html third-party-advisory
- http://seclists.org/fulldisclosure/2021/Feb/57 third-party-advisory
- https://issues.asterisk.org/ third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-35776 third-party-advisory