The Publish/Subscribe Framework in the PJSIP channel driver in Asterisk Open Source 12.x before 12.3.1, when sub_min_expiry is set to zero,…

published 2014-06-17 12 y ago modified 2026-06-17 4 mo ago also EUVD-2014-3976

cvss: 4.3; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.8%; EPSS 2.8% chance of exploitation in 30 days, percentile 86%
public exploits: 0; none known

The Publish/Subscribe Framework in the PJSIP channel driver in Asterisk Open Source 12.x before 12.3.1, when sub_min_expiry is set to zero, allows remote attackers to cause a denial of service (assertion failure and crash) via an unsubscribe request when not subscribed to the device.

Patch / fix

links 1

downloads.asterisk.org/pub/security/AST-2014-005.html advisory

Exploit prediction

2.77% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

CWE-189 Numeric Errors

References

downloads.asterisk.org /pub/security/AST-2014-005.html
patch, vendor-advisory
securityfocus.com /archive/1/532414/100/0/threaded
mailing-list
packetstormsecurity.com /files/127087/Asterisk-Project-Security-Advisory-AST-2014-005.html

Sources

CVE List CVE-2014-4045
NVD CVE-2014-4045

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary