VULNERABILITY INTELLIGENCE

CVE-2011-4073

CVSS score4 MEDIUM
EPSS probability2.09%
CISA KEVNot currently listed
Published2011-11-17
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:S/C:N/I:N/A:P

Description

Use-after-free vulnerability in the cryptographic helper handler functionality in Openswan 2.3.0 through 2.6.36 allows remote authenticated users to cause a denial of service (pluto IKE daemon crash) via vectors related to the (1) quick_outI1_continue and (2) quick_outI1 functions.

Primary references