VAR-201308-0305
Vulnerability from variot - Updated: 2025-04-11 23:07The 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. Cisco IOS is the interconnected network operating system used on most Cisco system routers and network switches. This vulnerability stems from an error closing an established TCP connection. Cisco IOS is prone to a remote denial-of-service vulnerability. Exploiting this issue may allow remote attackers to trigger denial-of-service conditions. This issue is being tracked by Cisco Bug ID CSCtz14399
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Nomenclature
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