CVE Catalog

CVE-2001-0864

High
Published: Translated: NVD NIST

Summary

Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not properly handle the implicit 'deny ip any any' rule in an outgoing ACL when the ACL contains exactly 448 entries, which can allow some outgoing packets to bypass access restrictions.

Risk Assessment

The organization may be exposed to unauthorized network access, potentially leading to data breaches or other security incidents.

Recommendation

It is recommended to monitor and update the ACL configuration to ensure it does not contain exactly 448 entries, and consider upgrading the software to a newer version that addresses this vulnerability.

Related vulnerabilities

Original NVD description (English source)

Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not properly handle the implicit "deny ip any any" rule in an outgoing ACL when the ACL contains exactly 448 entries, which can allow some outgoing packets to bypass access restrictions.

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