CVE-1999-0445

Cisco IOS - Access List Filter Bypass via NAT Packet Handling

Title source: llm
STIX 2.1

Description

In Cisco routers under some versions of IOS 12.0 running NAT, some packets may not be filtered by input access list filters.

References (1)

Core 1
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/1104

Scores

EPSS 0.0112
EPSS Percentile 62.7%

Details

Status published
Products (12)
cisco/ios 12.0
cisco/ios 12.0\(1\)w
cisco/ios 12.0\(1\)xa3
cisco/ios 12.0\(1\)xb
cisco/ios 12.0\(1\)xe
cisco/ios 12.0\(2\)xc
cisco/ios 12.0\(2\)xd
cisco/ios 12.0\(2\)xf
cisco/ios 12.0\(2\)xg
cisco/ios 12.0db
... and 2 more
Published Apr 01, 1999
Tracked Since Feb 18, 2026