Unrated severityNVD Advisory· Published Aug 30, 2013· Updated Jun 16, 2026

CVE-2013-5469

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Cisco Systems, Inc./Cisco iOS2 versions
cpe:2.3:o:cisco:ios:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:cisco:ios:-:*:*:*:*:*:*:*
- (no CPE)

Patches

Vulnerability mechanics

References

tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5469nvdVendor Advisory
osvdb.org/96764nvd
www.securityfocus.com/bid/62083nvd
www.securitytracker.com/id/1028969nvd
exchange.xforce.ibmcloud.com/vulnerabilities/86794nvd

News mentions

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