VULNERABILITY INTELLIGENCE

CVE-2013-6694

CVSS score4.3 MEDIUM
EPSS probability1.08%
CISA KEVNot currently listed
Published2013-11-22
Last modified2026-06-17
CVSS vectorAV:N/AC:M/Au:N/C:N/I:N/A:P

Description

The IPSec implementation in Cisco IOS allows remote attackers to cause a denial of service (MTU change and tunnel-session drop) via crafted ICMP packets, aka Bug ID CSCul29918.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references