CVE-1999-1466

High CVSS 7.5

Published 1992-12-10 · last changed 2026-06-16

The fix

We hold no Microsoft remediation data for CVE-1999-1466, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

Vulnerability in Cisco routers versions 8.2 through 9.1 allows remote attackers to bypass access control lists when extended IP access lists are used on certain interfaces, the IP route cache is enabled, and the access list uses the "established" keyword.

Sources

NVD record for CVE-1999-1466

CVSS vector: AV:N/AC:L/Au:N/C:P/I:P/A:P