CVE Catalog

CVE-2014-2109

High
Published: Translated: NVD NIST

Summary

The TCP Input module in Cisco IOS versions 12.2 through 12.4 and 15.0 through 15.4, when NAT is used, allows remote attackers to cause a denial of service (memory consumption or device reload) via crafted TCP packets.

Risk Assessment

Attackers can exploit this vulnerability to disrupt the operation of network devices, potentially leading to service outages and loss of availability.

Recommendation

It is recommended to update Cisco IOS software to the latest version to mitigate this vulnerability and to monitor TCP traffic for suspicious packets.

Related vulnerabilities

Original NVD description (English source)

The TCP Input module in Cisco IOS 12.2 through 12.4 and 15.0 through 15.4, when NAT is used, allows remote attackers to cause a denial of service (memory consumption or device reload) via crafted TCP packets, aka Bug IDs CSCuh33843 and CSCuj41494.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS