VULNERABILITY INTELLIGENCE
CVE-2013-5469
CVSS score7.1 HIGH
EPSS probability2.36%
CISA KEVNot currently listed
Published2013-08-30
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:N/I:N/A:C
Description
The TCP implementation in Cisco IOS does not properly implement the transitions from the ESTABLISHED state to the CLOSED state, which allows remote attackers to cause a denial of service (flood of ACK packets) via a crafted series of ACK and FIN packets, aka Bug ID CSCtz14399.
Weakness classification
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer