CVE-2021-31878
- Source
- https://cve.org/CVERecord?id=CVE-2021-31878
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-31878.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-31878
- Downstream
- Published
- 2021-07-30T14:15:16.690Z
- Modified
- 2026-07-08T21:26:50.294863Z
- Severity
-
- 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
An issue was discovered in PJSIP in Asterisk before 16.19.1 and before 18.5.1. To exploit, a re-INVITE without SDP must be received after Asterisk has sent a BYE request.
- References
-
- https://issues.asterisk.org/jira/browse/ASTERISK-29381
- http://downloads.asterisk.org/pub/security/AST-2021-007.html
- http://packetstormsecurity.com/files/163638/Asterisk-Project-Security-Advisory-AST-2021-007.html
- http://seclists.org/fulldisclosure/2021/Jul/48
- https://downloads.digium.com/pub/security/AST-2021-007.html
Affected packages
Git / github.com/asterisk/asterisk
Affected ranges
- Type
- GIT
- Repo
- https://github.com/asterisk/asterisk
- Events
-
IntroducedLast affected
- Database specific
{ "extracted_events": [ { "introduced": "16.17.0" }, { "last_affected": "16.17.0" }, { "introduced": "16.18.0" }, { "last_affected": "16.18.0" }, { "introduced": "16.19.0" }, { "last_affected": "16.19.0" }, { "introduced": "18.3.0" }, { "last_affected": "18.3.0" }, { "introduced": "18.4.0" }, { "last_affected": "18.4.0" }, { "introduced": "18.5.0" }, { "last_affected": "18.5.0" } ], "source": "CPE_STRING", "cpe": [ "cpe:2.3:a:digium:asterisk:16.17.0:*:*:*:*:*:*:*", "cpe:2.3:a:digium:asterisk:16.18.0:*:*:*:*:*:*:*", "cpe:2.3:a:digium:asterisk:16.19.0:*:*:*:*:*:*:*", "cpe:2.3:a:digium:asterisk:18.3.0:*:*:*:*:*:*:*", "cpe:2.3:a:digium:asterisk:18.4.0:*:*:*:*:*:*:*", "cpe:2.3:a:digium:asterisk:18.5.0:*:*:*:*:*:*:*" ] }