CVE Catalog

CVE-2003-1398

High
Published: Translated: NVD NIST

Summary

Cisco IOS versions 12.0 through 12.2, when IP routing is disabled, accepts false ICMP redirect messages, allowing remote attackers to cause a denial of service by modifying network routing.

Risk Assessment

Attackers can exploit this vulnerability to disrupt network operations, potentially leading to significant service availability issues.

Recommendation

It is recommended to enable IP routing and to monitor and filter ICMP messages to mitigate the risk.

Related vulnerabilities

Original NVD description (English source)

Cisco IOS 12.0 through 12.2, when IP routing is disabled, accepts false ICMP redirect messages, which allows remote attackers to cause a denial of service (network routing modification).

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