CVE-1999-0775

Cisco IOS - Unauthorized Packet Forwarding via Access List 'established' Keyword

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References
Third Party Advisory, VDB Entry x_refsource_misc
https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0775

Scores

EPSS 0.0313
EPSS Percentile 86.5%

Details

Status published
Products (2)
cisco/ios 11.2\(14\)gs2
cisco/ios 11.2\(15\)g
Published Jun 10, 1999
Tracked Since Feb 18, 2026