CVE-2013-5469

high

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.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/86794

http://www.securitytracker.com/id/1028969

http://www.securityfocus.com/bid/62083

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5469

http://osvdb.org/96764

Details

Source: Mitre, NVD

Published: 2013-08-30

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 7.1

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.00746