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CVE-2004-1099 Details

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 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://exchange.xforce.ibmcloud.com/vulnerabilities/17936	CVE
http://www.ciac.org/ciac/bulletins/p-028.shtml	CVE	PatchVendor Advisory
http://www.cisco.com/warp/public/707/cisco-sa-20041102-acs-eap-tls.shtml	CVE	Vendor Advisory
http://www.securityfocus.com/bid/11577	CVE	PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/17936	[email protected]
http://www.ciac.org/ciac/bulletins/p-028.shtml	[email protected]	PatchVendor Advisory
http://www.cisco.com/warp/public/707/cisco-sa-20041102-acs-eap-tls.shtml	[email protected]	Vendor Advisory
http://www.securityfocus.com/bid/11577	[email protected]	PatchVendor Advisory

see all 8 references

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-Other	Weakness Not in a Standard CWE Category	[email protected]

Affected Products

Product	Versions
cisco secure access control server	3.3(1) 3.3.1
CPE cpe:2.3:a:cisco:secure_access_control_server:3.3(1):::::::* cpe:2.3:a:cisco:secure_access_control_server:3.3.1:::::::* Remediation No remediation found in references.
cisco secure acs solution engine	All versions
CPE cpe:2.3:a:cisco:secure_acs_solution_engine:::::::: Remediation No remediation found in references.

Change History

7 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	[email protected]
Apr 16, 2026		[email protected]
Nov 20, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Oct 30, 2018	CPE Deprecation Remap	[email protected]
Jul 11, 2017	CVE Modified	[email protected]
Jan 1, 2004	Initial Analysis	[email protected]