VULNERABILITY INTELLIGENCE

CVE-2011-3380

CVSS score5 MEDIUM

EPSS probability2.27%

CISA KEVNot currently listed

Published2011-11-17

Last modified2026-06-16

Description

Openswan 2.6.29 through 2.6.35 allows remote attackers to cause a denial of service (NULL pointer dereference and pluto IKE daemon crash) via an ISAKMP message with an invalid KEY_LENGTH attribute, which is not properly handled by the error handling function.