CVE-2013-3466
The EAP-FAST authentication module in Cisco Secure Access Control Server (ACS) 4.x before 4.2.1...
The EAP-FAST authentication module in Cisco Secure Access Control Server (ACS) 4.x before 4.2.1.15.11, when a RADIUS server configuration is enabled, does not properly parse user identities, which allows remote attackers to execute arbitrary commands via crafted EAP-FAST packets, aka Bug ID CSCui57636.
Exploit likelihood
What each source reports
NVD Score used
The EAP-FAST authentication module in Cisco Secure Access Control Server (ACS) 4.x before 4.2.1.15.11, when a RADIUS server configuration is enabled, does not properly parse user identities, which allows remote attackers to execute arbitrary commands via crafted EAP-FAST packets, aka Bug ID CSCui57636.
- Record
CVE-2013-3466- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE List No score
The EAP-FAST authentication module in Cisco Secure Access Control Server (ACS) 4.x before 4.2.1.15.11, when a RADIUS server configuration is enabled, does not properly parse user identities, which allows remote attackers to execute arbitrary commands via crafted EAP-FAST packets, aka Bug ID CSCui57636.
- Record
CVE-2013-3466- Updated
- 2026-11-02
EUVDEUVD-2013-3401 No score
The EAP-FAST authentication module in Cisco Secure Access Control Server (ACS) 4.x before 4.2.1.15.11, when a RADIUS server configuration is enabled, does not properly parse user identities, which allows remote attackers to execute arbitrary commands via crafted EAP-FAST packets, aka Bug ID CSCui57636.
- Record
EUVD-2013-3401- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w8rq-f28j-855v No score
The EAP-FAST authentication module in Cisco Secure Access Control Server (ACS) 4.x before 4.2.1...
The EAP-FAST authentication module in Cisco Secure Access Control Server (ACS) 4.x before 4.2.1.15.11, when a RADIUS server configuration is enabled, does not properly parse user identities, which allows remote attackers to execute arbitrary commands via crafted EAP-FAST packets, aka Bug ID CSCui57636.
- Record
GHSA-w8rq-f28j-855v- Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2013-3466 is a high vulnerability (CVSS 9.3) in Cisco Secure Access Control Server, published August 29, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.12%, the 92nd percentile. No source names a fixed version.