CVE-2004-1099 - CVE House
Back to Database
Status published Critical CVE-2004-1099

Cisco Secure Access Control Server for Windows (ACS Windows) and...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2004-1099

Credits & Attribution

No credits recorded in the NVD database.

References

More from cisco

View All →
CVE-2025-27091
OpenH264 Decoding Functions Heap Overflow Vulnerability
High 8.6
CVE-2023-25653
Improper calculations in ECC implementation can trigger a Denial-of-Service (DoS)
High 7.5
CVE-2021-33478
The TrustZone implementation in certain Broadcom MediaxChange firmware could allow...
Medium 6.8
CVE-2020-16139
A denial-of-service in Cisco Unified IP Conference Station 7937G 1-4-4-0...
High 7.5
CVE-2020-16138
A denial-of-service issue in Cisco Unified IP Conference Station 7937G...
High 7.5

Affected Vendor

Affected Software

secure access control server, secure acs solution engine
Vulnerable Versions:
3.3\(1\), 3.3.1

Timeline

Official Publish: December 1st, 2004
Last Modified: August 8th, 2024
Added to House: July 18th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.