Stack-based buffer overflow in the CSRadius service in Cisco Secure Access Control Server…
Priority MEDIUM 57Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Stack-based buffer overflow in the CSRadius service in Cisco Secure Access Control Server (ACS) for Windows before 4.1 and ACS Solution Engine before 4.1 allows remote attackers to execute arbitrary code via a crafted RADIUS Accounting-Request packet.
Why it matters now
EPSS 0.12902 96th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 15
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cisco:secure_access_control_server:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:secure_access_control_server:3.1:*:*:*:*:*:*:* | 3.1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:secure_access_control_server:3.2:*:*:*:*:*:*:* | 3.2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:secure_access_control_server:3.2\(1\):*:*:*:*:*:*:* | 3.2(1) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:secure_access_control_server:3.2\(1.20\):*:*:*:*:*:*:* | 3.2(1.20) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:secure_access_control_server:3.2\(2\):*:*:*:*:*:*:* | 3.2(2) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:secure_access_control_server:3.2\(3\):*:*:*:*:*:*:* | 3.2(3) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:secure_access_control_server:3.2.1:*:*:*:*:*:*:* | 3.2.1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:secure_access_control_server:3.2.2:*:*:*:*:*:*:* | 3.2.2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:secure_access_control_server:3.3:*:*:*:*:*:*:* | 3.3 | Vulnerable | Cisco |
- cpe:2.3:a:cisco:secure_access_control_server:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:secure_access_control_server:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:secure_access_control_server:3.2:*:*:*:*:*:*:* Versions 3.2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:secure_access_control_server:3.2\(1\):*:*:*:*:*:*:* Versions 3.2(1) Vulnerable ·Cisco
- cpe:2.3:a:cisco:secure_access_control_server:3.2\(1.20\):*:*:*:*:*:*:* Versions 3.2(1.20) Vulnerable ·Cisco
- cpe:2.3:a:cisco:secure_access_control_server:3.2\(2\):*:*:*:*:*:*:* Versions 3.2(2) Vulnerable ·Cisco
- cpe:2.3:a:cisco:secure_access_control_server:3.2\(3\):*:*:*:*:*:*:* Versions 3.2(3) Vulnerable ·Cisco
- cpe:2.3:a:cisco:secure_access_control_server:3.2.1:*:*:*:*:*:*:* Versions 3.2.1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:secure_access_control_server:3.2.2:*:*:*:*:*:*:* Versions 3.2.2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:secure_access_control_server:3.3:*:*:*:*:*:*:* Versions 3.3 Vulnerable ·Cisco
Show 5 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cisco:secure_access_control_server:3.3\(1\):*:*:*:*:*:*:* | 3.3(1) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:secure_access_control_server:3.3.1:*:*:*:*:*:*:* | 3.3.1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:secure_access_control_server:3.3.2:*:*:*:*:*:*:* | 3.3.2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:secure_access_control_server:4.0:*:*:*:*:*:*:* | 4.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:secure_access_control_server:4.0.1:*:*:*:*:*:*:* | 4.0.1 | Vulnerable | Cisco |
- cpe:2.3:a:cisco:secure_access_control_server:3.3\(1\):*:*:*:*:*:*:* Versions 3.3(1) Vulnerable ·Cisco
- cpe:2.3:a:cisco:secure_access_control_server:3.3.1:*:*:*:*:*:*:* Versions 3.3.1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:secure_access_control_server:3.3.2:*:*:*:*:*:*:* Versions 3.3.2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:secure_access_control_server:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:secure_access_control_server:4.0.1:*:*:*:*:*:*:* Versions 4.0.1 Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2006-4098
- 2026-10-03 Alias added: GHSA-fm3h-2rr5-p2c2
References
More Cisco Secure Access Control Server vulnerabilities
- TI-2005-00319 Multiple TCP implementations with Protection Against Wrapped Sequence Numbers (PAWS) with… CVSS 2.0MEDIUM 5.0
- TI-2004-00996 Cisco Secure Access Control Server for Windows (ACS Windows) and Cisco Secure Access… CVSS 2.0HIGH 10.0
- TI-2000-01044 Buffer overflow in CSAdmin module in CiscoSecure ACS Server 2.4(2) and earlier allows… CVSS 2.0HIGH 10.0
- TI-2000-01045 Buffer overflow in CiscoSecure ACS Server 2.4(2) and earlier allows remote attackers to… CVSS 2.0HIGH 10.0
- TI-2013-03026 The EAP-FAST authentication module in Cisco Secure Access Control Server (ACS) 4.x before… CVSS 2.0HIGH 9.3
- TI-2007-00100 Stack-based buffer overflow in the CSAdmin service in Cisco Secure Access Control Server… CVSS 2.0HIGH 7.5
Sources
- CVE-2006-4098 · CVE Program
- CVE-2006-4098 · NVD
- FIRST EPSS
- GHSA-fm3h-2rr5-p2c2 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences