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Monday, December 8, 2025
High Published: Dec 10, 1992 Modified: Apr 03, 2025

CVE-1999-1466

7.5 CVSS
0 5 10
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
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Description

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.

CVSS Vector Details

Attack Vector Network
Attack Complexity Low
Confidentiality P
Integrity P
Availability P

Affected Software Configurations

  • o cisco ios 8.2 * * * * * * *
  • o cisco ios 8.3 * * * * * * *
  • o cisco ios 9.0 * * * * * * *
  • o cisco ios 9.1 * * * * * * *

Weaknesses (CWE)

  • NVD-CWE-Other