CVE-2004-1099

CriticalCVSS 10.0/10Last modified Jun 16, 2026

Description

Cisco Secure Access Control Server for Windows (ACS Windows) and Cisco Secure Access Control Server Solution Engine (ACS Solution Engine) 3.3.1, when the EAP-TLS protocol is enabled, does not properly handle expired or untrusted certificates, which allows remote attackers to bypass authentication and gain unauthorized access via a "cryptographically correct" certificate with valid fields such as the username.

Metrics

CVSS 2.0 10.0/10AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://www.ciac.org/ciac/bulletins/p-028.shtmlPatch, Vendor Advisory
http://www.cisco.com/warp/public/707/cisco-sa-20041102-acs-eap-tls.shtmlVendor Advisory
http://www.securityfocus.com/bid/11577Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/17936
http://www.ciac.org/ciac/bulletins/p-028.shtmlPatch, Vendor Advisory
http://www.cisco.com/warp/public/707/cisco-sa-20041102-acs-eap-tls.shtmlVendor Advisory
http://www.securityfocus.com/bid/11577Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/17936

Timeline

Published: Jan 10, 2005
Last modified: Jun 16, 2026
NVD status: Modified

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