CVE-2004-1099
highpriority · track · 44EPSS 0.102 · 96 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
- cisco secure access control server= 3.3(1)nvdUScpe:2.3:a:cisco:secure_access_control_server:*:*:*:*:*:*:*:*
- cisco secure access control server= 3.3.1nvdUScpe:2.3:a:cisco:secure_access_control_server:*:*:*:*:*:*:*:*
- cisco secure acs solution engineall versionsnvdUScpe:2.3:a:cisco:secure_acs_solution_engine:*:*:*:*:*:*:*:*
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- http://www.ciac.org/ciac/bulletins/p-028.shtmlenisa_euvd
- http://www.cisco.com/warp/public/707/cisco-sa-20041102-acs-eap-tls.shtmlenisa_euvd
- http://www.securityfocus.com/bid/11577enisa_euvd
- https://exchange.xforce.ibmcloud.com/vulnerabilities/17936enisa_euvd
- http://www.ciac.org/ciac/bulletins/p-028.shtmlPatchVendor Advisorynvd
- http://www.cisco.com/warp/public/707/cisco-sa-20041102-acs-eap-tls.shtmlVendor Advisorynvd
- http://www.securityfocus.com/bid/11577PatchVendor Advisorynvd
- https://exchange.xforce.ibmcloud.com/vulnerabilities/17936nvd
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