Unrated severityNVD Advisory· Published Dec 10, 1992· Updated Jun 16, 2026
CVE-1999-1466
CVE-1999-1466
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.
Affected products
5cpe:2.3:o:cisco:ios:8.2:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:o:cisco:ios:8.2:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:8.3:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:9.1:*:*:*:*:*:*:*
- (no CPE)range: 8.2 through 9.1
Patches
Vulnerability mechanics
References
2- www.cert.org/advisories/CA-1992-20.htmlnvdPatchThird Party AdvisoryUS Government Resource
- www.securityfocus.com/bid/53nvdPatchVendor Advisory
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