CVE-2012-3553: Digium Asterisk

Medium severity, CVSS 4.0. EPSS: 1.7% chance of exploitation in the next 30 days.

chan_skinny.c in the Skinny (aka SCCP) channel driver in Asterisk Open Source 10.x before 10.5.1 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) by sending a Station Key Pad Button message and closing a connection in off-hook mode, a related issue to CVE-2012-2948.

Affected products

• Digium Asterisk: version 10.0.0 only; version 10.0.1 only; version 10.1.0 only; version 10.1.1 only; version 10.1.2 only; version 10.1.3 only; …

Published 2012-06-19. Last modified 2026-06-16.