CVE Catalog

CVE-2002-2315

High
Published: Translated: NVD NIST

Summary

Cisco IOS versions 11.2.x and 12.0.x does not limit the size of its redirect table, allowing remote attackers to cause a denial of service (memory consumption) via spoofed ICMP redirect packets sent to the router.

Risk Assessment

Attackers can exploit this vulnerability to exhaust the router's memory resources, leading to unavailability for users.

Recommendation

It is recommended to upgrade to the latest version of Cisco IOS that implements limits for the redirect table and to monitor ICMP traffic for potential attacks.

Related vulnerabilities

Original NVD description (English source)

Cisco IOS 11.2.x and 12.0.x does not limit the size of its redirect table, which allows remote attackers to cause a denial of service (memory consumption) via spoofed ICMP redirect packets to the router.

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