Unrated severityNVD Advisory· Published Jan 10, 2005· Updated Jun 16, 2026
CVE-2004-1099
CVE-2004-1099
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5cpe:2.3:a:cisco:secure_access_control_server:3.3.1:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:a:cisco:secure_access_control_server:3.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:secure_access_control_server:3.3\(1\):*:*:*:*:*:*:*
- (no CPE)range: =3.3.1
- (no CPE)range: =3.3.1
- cpe:2.3:a:cisco:secure_acs_solution_engine:*:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
4- www.ciac.org/ciac/bulletins/p-028.shtmlnvdPatchVendor Advisory
- www.securityfocus.com/bid/11577nvdPatchVendor Advisory
- www.cisco.com/warp/public/707/cisco-sa-20041102-acs-eap-tls.shtmlnvdVendor Advisory
- exchange.xforce.ibmcloud.com/vulnerabilities/17936nvd
News mentions
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