CVE Catalog

CVE-1999-0775

High
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

High risk
3.13%

86th percentile - higher than 86% of all known CVEs

Summary

Cisco Gigabit Switch routers running IOS allow remote attackers to forward unauthorized packets due to improper handling of the 'established' keyword in an access list.

Risk Assessment

Attackers may exploit this vulnerability to intercept or manipulate network traffic, potentially leading to serious security breaches.

Recommendation

It is recommended to update the IOS software to the latest version and review and adjust access lists to properly handle the 'established' keyword.

Related vulnerabilities

Original NVD description (English source)

Cisco Gigabit Switch routers running IOS allow remote attackers to forward unauthorized packets due to improper handling of the "established" keyword in an access list.

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