CVE-2013-5469: cisco ios

Vulnerability summary

CVE-2013-5469 is a high (CVSS 7.1) vulnerability in cisco ios. EPSS estimates a 2.36% chance of exploitation in the next 30 days, higher than 83.6% of scored vulnerabilities.

Timeline

1. 30-08-2013
   PublishedVulnerability first disclosed.
2. 06-08-2024
   Last modifiedVulnerability information updated.

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.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.