VULNERABILITY INTELLIGENCE

CVE-2009-2872

CVSS score6.8 MEDIUM
EPSS probability2.31%
CISA KEVNot currently listed
Published2009-09-28
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:S/C:N/I:N/A:C

Description

Cisco IOS 12.0 through 12.4, when IP-based tunnels and the Cisco Express Forwarding feature are enabled, allows remote attackers to cause a denial of service (device reload) via a malformed packet that is not properly handled during switching from one tunnel to a second tunnel, aka Bug IDs CSCsh97579 and CSCsq31776.

Primary references