CVE-2021-31878

medium

Description

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

Advisories
More

http://seclists.org/fulldisclosure/2021/Jul/48

http://packetstormsecurity.com/files/163638/Asterisk-Project-Security-Advisory-AST-2021-007.html

https://issues.asterisk.org/jira/browse/ASTERISK-29381

https://downloads.digium.com/pub/security/AST-2021-007.html

http://downloads.asterisk.org/pub/security/AST-2021-007.html

Details

Source: Mitre, NVD

Published: 2021-07-30

Updated: 2021-08-07

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H