Buffer overflow in Cisco PIX Firewall 5.2.x to 5.2.8, 6.0.x to 6.0.3, 6.1.x to 6.1.3, and…
Priority LOW 27Published · 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
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Buffer overflow in Cisco PIX Firewall 5.2.x to 5.2.8, 6.0.x to 6.0.3, 6.1.x to 6.1.3, and 6.2.x to 6.2.1 allows remote attackers to cause a denial of service via HTTP traffic authentication using (1) TACACS+ or (2) RADIUS.
Why it matters now
EPSS 0.01995 80th 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 · 19
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:pix_firewall_software:5.2:*:*:*:*:*:*:* | 5.2 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:pix_firewall_software:5.2\(1\):*:*:*:*:*:*:* | 5.2(1) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:pix_firewall_software:5.2\(2\):*:*:*:*:*:*:* | 5.2(2) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:pix_firewall_software:5.2\(3\):*:*:*:*:*:*:* | 5.2(3) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:pix_firewall_software:5.2\(4\):*:*:*:*:*:*:* | 5.2(4) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:pix_firewall_software:5.2\(5\):*:*:*:*:*:*:* | 5.2(5) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:pix_firewall_software:5.2\(6\):*:*:*:*:*:*:* | 5.2(6) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:pix_firewall_software:5.2\(7\):*:*:*:*:*:*:* | 5.2(7) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:pix_firewall_software:5.2\(8\):*:*:*:*:*:*:* | 5.2(8) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:pix_firewall_software:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Cisco |
- cpe:2.3:o:cisco:pix_firewall_software:5.2:*:*:*:*:*:*:* Versions 5.2 Vulnerable ·Cisco
- cpe:2.3:o:cisco:pix_firewall_software:5.2\(1\):*:*:*:*:*:*:* Versions 5.2(1) Vulnerable ·Cisco
- cpe:2.3:o:cisco:pix_firewall_software:5.2\(2\):*:*:*:*:*:*:* Versions 5.2(2) Vulnerable ·Cisco
- cpe:2.3:o:cisco:pix_firewall_software:5.2\(3\):*:*:*:*:*:*:* Versions 5.2(3) Vulnerable ·Cisco
- cpe:2.3:o:cisco:pix_firewall_software:5.2\(4\):*:*:*:*:*:*:* Versions 5.2(4) Vulnerable ·Cisco
- cpe:2.3:o:cisco:pix_firewall_software:5.2\(5\):*:*:*:*:*:*:* Versions 5.2(5) Vulnerable ·Cisco
- cpe:2.3:o:cisco:pix_firewall_software:5.2\(6\):*:*:*:*:*:*:* Versions 5.2(6) Vulnerable ·Cisco
- cpe:2.3:o:cisco:pix_firewall_software:5.2\(7\):*:*:*:*:*:*:* Versions 5.2(7) Vulnerable ·Cisco
- cpe:2.3:o:cisco:pix_firewall_software:5.2\(8\):*:*:*:*:*:*:* Versions 5.2(8) Vulnerable ·Cisco
- cpe:2.3:o:cisco:pix_firewall_software:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Cisco
Show 9 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:pix_firewall_software:6.0\(1\):*:*:*:*:*:*:* | 6.0(1) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:pix_firewall_software:6.0\(2\):*:*:*:*:*:*:* | 6.0(2) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:pix_firewall_software:6.0\(3\):*:*:*:*:*:*:* | 6.0(3) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:pix_firewall_software:6.1:*:*:*:*:*:*:* | 6.1 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:pix_firewall_software:6.1\(1\):*:*:*:*:*:*:* | 6.1(1) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:pix_firewall_software:6.1\(2\):*:*:*:*:*:*:* | 6.1(2) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:pix_firewall_software:6.1\(3\):*:*:*:*:*:*:* | 6.1(3) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:pix_firewall_software:6.2:*:*:*:*:*:*:* | 6.2 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:pix_firewall_software:6.2\(1\):*:*:*:*:*:*:* | 6.2(1) | Vulnerable | Cisco |
- cpe:2.3:o:cisco:pix_firewall_software:6.0\(1\):*:*:*:*:*:*:* Versions 6.0(1) Vulnerable ·Cisco
- cpe:2.3:o:cisco:pix_firewall_software:6.0\(2\):*:*:*:*:*:*:* Versions 6.0(2) Vulnerable ·Cisco
- cpe:2.3:o:cisco:pix_firewall_software:6.0\(3\):*:*:*:*:*:*:* Versions 6.0(3) Vulnerable ·Cisco
- cpe:2.3:o:cisco:pix_firewall_software:6.1:*:*:*:*:*:*:* Versions 6.1 Vulnerable ·Cisco
- cpe:2.3:o:cisco:pix_firewall_software:6.1\(1\):*:*:*:*:*:*:* Versions 6.1(1) Vulnerable ·Cisco
- cpe:2.3:o:cisco:pix_firewall_software:6.1\(2\):*:*:*:*:*:*:* Versions 6.1(2) Vulnerable ·Cisco
- cpe:2.3:o:cisco:pix_firewall_software:6.1\(3\):*:*:*:*:*:*:* Versions 6.1(3) Vulnerable ·Cisco
- cpe:2.3:o:cisco:pix_firewall_software:6.2:*:*:*:*:*:*:* Versions 6.2 Vulnerable ·Cisco
- cpe:2.3:o:cisco:pix_firewall_software:6.2\(1\):*:*:*:*:*:*:* Versions 6.2(1) Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2002-2140
- 2026-10-03 Alias added: GHSA-xg23-cgcw-5j65
More Cisco Pix Firewall Software vulnerabilities
- TI-2016-05454 Buffer overflow in Cisco Adaptive Security Appliance (ASA) Software through 9.4.2.3 on… KEVCVSS 3.1HIGH 8.8
- TI-2004-00066 The do_change_cipher_spec function in OpenSSL 0.9.6c to 0.9.6k, and 0.9.7a to 0.9.7c… CVSS 3.1HIGH 7.5
- TI-2006-00500 Cisco PIX/ASA 7.1.x before 7.1(2) and 7.0.x before 7.0(5), PIX 6.3.x before 6.3.5(112)… CVSS 2.0HIGH 7.5
- TI-2007-00933 Unspecified vulnerability in Cisco PIX 500 and ASA 5500 Series Security Appliances 7.2.2… CVSS 2.0HIGH 9.0
- TI-2003-01013 The Session Initiation Protocol (SIP) implementation in multiple Cisco products including… CVSS 2.0HIGH 7.5
- TI-2000-01012 The mailguard feature in Cisco Secure PIX Firewall 5.2(2) and earlier does not properly… CVSS 2.0HIGH 7.5
Sources
- CVE-2002-2140 · CVE Program
- CVE-2002-2140 · NVD
- FIRST EPSS
- GHSA-xg23-cgcw-5j65 · 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