CVE-2014-2288: Digium Asterisk

Medium severity, CVSS 4.3. EPSS: 4.3% chance of exploitation in the next 30 days.

The PJSIP channel driver in Asterisk Open Source 12.x before 12.1.1, when qualify_frequency "is enabled on an AOR and the remote SIP server challenges for authentication of the resulting OPTIONS request," allows remote attackers to cause a denial of service (crash) via a PJSIP endpoint that does not have an associated outgoing request.

Affected products

• Digium Asterisk: version 12.0.0 only; version 12.1.0 only

Published 2014-04-18. Last modified 2026-06-17.