CVE-1999-1306
Cisco IOS < 9.1 - IP Access List Bypass via Established Keyword
Title source: llmDescription
Cisco IOS 9.1 and earlier does not properly handle extended IP access lists when the IP route cache is enabled and the "established" keyword is set, which could allow attackers to bypass filters.
References (1)
Core 1
Core References
Patch, Third Party Advisory, US Government Resource third-party-advisory
x_refsource_cert
http://www.cert.org/advisories/CA-1992-20.html
Scores
EPSS
0.0139
EPSS Percentile
69.5%
Details
Status
published
Products (1)
cisco/ios
< 9.1
Published
Dec 10, 1992
Tracked Since
Feb 18, 2026