Cisco Firewall Services Module (aka FWSM) 3.1 before 3.1(21), 3.2 before 3.2(22), 4.0…
Priority LOW 37CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
Cisco Firewall Services Module (aka FWSM) 3.1 before 3.1(21), 3.2 before 3.2(22), 4.0 before 4.0(16), and 4.1 before 4.1(7), when certain authentication configurations are used, allows remote attackers to cause a denial of service (module crash) by making many authentication requests for network access, aka Bug ID CSCtn15697.
Why it matters now
EPSS 0.01388 72nd 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 · 66
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cisco:firewall_services_module_software:3.1:*:*:*:*:*:*:* | 3.1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.1\(2\):*:*:*:*:*:*:* | 3.1(2) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.1\(3\):*:*:*:*:*:*:* | 3.1(3) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.1\(4\):*:*:*:*:*:*:* | 3.1(4) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.1\(5\):*:*:*:*:*:*:* | 3.1(5) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.1\(6\):*:*:*:*:*:*:* | 3.1(6) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.1\(7\):*:*:*:*:*:*:* | 3.1(7) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.1\(8\):*:*:*:*:*:*:* | 3.1(8) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.1\(9\):*:*:*:*:*:*:* | 3.1(9) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.1\(10\):*:*:*:*:*:*:* | 3.1(10) | Vulnerable | Cisco |
- cpe:2.3:a:cisco:firewall_services_module_software:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.1\(2\):*:*:*:*:*:*:* Versions 3.1(2) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.1\(3\):*:*:*:*:*:*:* Versions 3.1(3) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.1\(4\):*:*:*:*:*:*:* Versions 3.1(4) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.1\(5\):*:*:*:*:*:*:* Versions 3.1(5) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.1\(6\):*:*:*:*:*:*:* Versions 3.1(6) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.1\(7\):*:*:*:*:*:*:* Versions 3.1(7) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.1\(8\):*:*:*:*:*:*:* Versions 3.1(8) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.1\(9\):*:*:*:*:*:*:* Versions 3.1(9) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.1\(10\):*:*:*:*:*:*:* Versions 3.1(10) Vulnerable ·Cisco
Show 56 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cisco:firewall_services_module_software:3.1\(11\):*:*:*:*:*:*:* | 3.1(11) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.1\(12\):*:*:*:*:*:*:* | 3.1(12) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.1\(13\):*:*:*:*:*:*:* | 3.1(13) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.1\(14\):*:*:*:*:*:*:* | 3.1(14) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.1\(15\):*:*:*:*:*:*:* | 3.1(15) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.1\(16\):*:*:*:*:*:*:* | 3.1(16) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.1\(17\):*:*:*:*:*:*:* | 3.1(17) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.1\(18\):*:*:*:*:*:*:* | 3.1(18) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.1\(19\):*:*:*:*:*:*:* | 3.1(19) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.1\(20\):*:*:*:*:*:*:* | 3.1(20) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.2:*:*:*:*:*:*:* | 3.2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.2\(1\):*:*:*:*:*:*:* | 3.2(1) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.2\(2\):*:*:*:*:*:*:* | 3.2(2) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.2\(3\):*:*:*:*:*:*:* | 3.2(3) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.2\(4\):*:*:*:*:*:*:* | 3.2(4) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.2\(5\):*:*:*:*:*:*:* | 3.2(5) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.2\(6\):*:*:*:*:*:*:* | 3.2(6) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.2\(7\):*:*:*:*:*:*:* | 3.2(7) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.2\(8\):*:*:*:*:*:*:* | 3.2(8) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.2\(9\):*:*:*:*:*:*:* | 3.2(9) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.2\(10\):*:*:*:*:*:*:* | 3.2(10) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.2\(11\):*:*:*:*:*:*:* | 3.2(11) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.2\(12\):*:*:*:*:*:*:* | 3.2(12) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.2\(13\):*:*:*:*:*:*:* | 3.2(13) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.2\(14\):*:*:*:*:*:*:* | 3.2(14) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.2\(15\):*:*:*:*:*:*:* | 3.2(15) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.2\(16\):*:*:*:*:*:*:* | 3.2(16) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.2\(17\):*:*:*:*:*:*:* | 3.2(17) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.2\(18\):*:*:*:*:*:*:* | 3.2(18) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.2\(19\):*:*:*:*:*:*:* | 3.2(19) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.2\(20\):*:*:*:*:*:*:* | 3.2(20) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:3.2\(21\):*:*:*:*:*:*:* | 3.2(21) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:4.0:*:*:*:*:*:*:* | 4.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:4.0\(1\):*:*:*:*:*:*:* | 4.0(1) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:4.0\(2\):*:*:*:*:*:*:* | 4.0(2) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:4.0\(3\):*:*:*:*:*:*:* | 4.0(3) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:4.0\(4\):*:*:*:*:*:*:* | 4.0(4) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:4.0\(5\):*:*:*:*:*:*:* | 4.0(5) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:4.0\(6\):*:*:*:*:*:*:* | 4.0(6) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:4.0\(7\):*:*:*:*:*:*:* | 4.0(7) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:4.0\(8\):*:*:*:*:*:*:* | 4.0(8) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:4.0\(10\):*:*:*:*:*:*:* | 4.0(10) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:4.0\(11\):*:*:*:*:*:*:* | 4.0(11) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:4.0\(12\):*:*:*:*:*:*:* | 4.0(12) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:4.0\(13\):*:*:*:*:*:*:* | 4.0(13) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:4.0\(14\):*:*:*:*:*:*:* | 4.0(14) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:4.0\(15\):*:*:*:*:*:*:* | 4.0(15) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:4.1:*:*:*:*:*:*:* | 4.1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:4.1\(1\):*:*:*:*:*:*:* | 4.1(1) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:4.1\(2\):*:*:*:*:*:*:* | 4.1(2) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:4.1\(3\):*:*:*:*:*:*:* | 4.1(3) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:4.1\(4\):*:*:*:*:*:*:* | 4.1(4) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:4.1\(5\):*:*:*:*:*:*:* | 4.1(5) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:firewall_services_module_software:4.1\(6\):*:*:*:*:*:*:* | 4.1(6) | Vulnerable | Cisco |
| cpe:2.3:h:cisco:catalyst_6500:*:*:*:*:*:*:*:* | all versions | Vulnerable | Cisco |
| cpe:2.3:h:cisco:catalyst_7600:*:*:*:*:*:*:*:* | all versions | Vulnerable | Cisco |
- cpe:2.3:a:cisco:firewall_services_module_software:3.1\(11\):*:*:*:*:*:*:* Versions 3.1(11) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.1\(12\):*:*:*:*:*:*:* Versions 3.1(12) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.1\(13\):*:*:*:*:*:*:* Versions 3.1(13) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.1\(14\):*:*:*:*:*:*:* Versions 3.1(14) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.1\(15\):*:*:*:*:*:*:* Versions 3.1(15) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.1\(16\):*:*:*:*:*:*:* Versions 3.1(16) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.1\(17\):*:*:*:*:*:*:* Versions 3.1(17) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.1\(18\):*:*:*:*:*:*:* Versions 3.1(18) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.1\(19\):*:*:*:*:*:*:* Versions 3.1(19) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.1\(20\):*:*:*:*:*:*:* Versions 3.1(20) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.2:*:*:*:*:*:*:* Versions 3.2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.2\(1\):*:*:*:*:*:*:* Versions 3.2(1) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.2\(2\):*:*:*:*:*:*:* Versions 3.2(2) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.2\(3\):*:*:*:*:*:*:* Versions 3.2(3) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.2\(4\):*:*:*:*:*:*:* Versions 3.2(4) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.2\(5\):*:*:*:*:*:*:* Versions 3.2(5) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.2\(6\):*:*:*:*:*:*:* Versions 3.2(6) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.2\(7\):*:*:*:*:*:*:* Versions 3.2(7) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.2\(8\):*:*:*:*:*:*:* Versions 3.2(8) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.2\(9\):*:*:*:*:*:*:* Versions 3.2(9) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.2\(10\):*:*:*:*:*:*:* Versions 3.2(10) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.2\(11\):*:*:*:*:*:*:* Versions 3.2(11) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.2\(12\):*:*:*:*:*:*:* Versions 3.2(12) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.2\(13\):*:*:*:*:*:*:* Versions 3.2(13) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.2\(14\):*:*:*:*:*:*:* Versions 3.2(14) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.2\(15\):*:*:*:*:*:*:* Versions 3.2(15) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.2\(16\):*:*:*:*:*:*:* Versions 3.2(16) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.2\(17\):*:*:*:*:*:*:* Versions 3.2(17) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.2\(18\):*:*:*:*:*:*:* Versions 3.2(18) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.2\(19\):*:*:*:*:*:*:* Versions 3.2(19) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.2\(20\):*:*:*:*:*:*:* Versions 3.2(20) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:3.2\(21\):*:*:*:*:*:*:* Versions 3.2(21) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:4.0\(1\):*:*:*:*:*:*:* Versions 4.0(1) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:4.0\(2\):*:*:*:*:*:*:* Versions 4.0(2) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:4.0\(3\):*:*:*:*:*:*:* Versions 4.0(3) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:4.0\(4\):*:*:*:*:*:*:* Versions 4.0(4) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:4.0\(5\):*:*:*:*:*:*:* Versions 4.0(5) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:4.0\(6\):*:*:*:*:*:*:* Versions 4.0(6) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:4.0\(7\):*:*:*:*:*:*:* Versions 4.0(7) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:4.0\(8\):*:*:*:*:*:*:* Versions 4.0(8) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:4.0\(10\):*:*:*:*:*:*:* Versions 4.0(10) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:4.0\(11\):*:*:*:*:*:*:* Versions 4.0(11) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:4.0\(12\):*:*:*:*:*:*:* Versions 4.0(12) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:4.0\(13\):*:*:*:*:*:*:* Versions 4.0(13) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:4.0\(14\):*:*:*:*:*:*:* Versions 4.0(14) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:4.0\(15\):*:*:*:*:*:*:* Versions 4.0(15) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:4.1:*:*:*:*:*:*:* Versions 4.1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:4.1\(1\):*:*:*:*:*:*:* Versions 4.1(1) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:4.1\(2\):*:*:*:*:*:*:* Versions 4.1(2) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:4.1\(3\):*:*:*:*:*:*:* Versions 4.1(3) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:4.1\(4\):*:*:*:*:*:*:* Versions 4.1(4) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:4.1\(5\):*:*:*:*:*:*:* Versions 4.1(5) Vulnerable ·Cisco
- cpe:2.3:a:cisco:firewall_services_module_software:4.1\(6\):*:*:*:*:*:*:* Versions 4.1(6) Vulnerable ·Cisco
- cpe:2.3:h:cisco:catalyst_6500:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Cisco
- cpe:2.3:h:cisco:catalyst_7600:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2011-3297
- 2026-10-03 Alias added: GHSA-q23r-7gwj-52ch
References
More Cisco Catalyst 6500 vulnerabilities
- TI-2012-03972 Stack-based buffer overflow in the DCERPC inspection engine on Cisco Adaptive Security… CVSS 2.0HIGH 9.0
- TI-2012-00329 Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module… CVSS 2.0HIGH 7.8
- TI-2011-02928 Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services module… CVSS 2.0HIGH 7.8
- TI-2012-03971 The SIP inspection engine on Cisco Adaptive Security Appliances (ASA) 5500 series… CVSS 2.0HIGH 7.8
- TI-2012-02645 Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module… CVSS 2.0HIGH 7.8
- TI-2012-00330 Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module… CVSS 2.0HIGH 7.8
Sources
- CVE-2011-3297 · CVE Program
- CVE-2011-3297 · NVD
- FIRST EPSS
- GHSA-q23r-7gwj-52ch · 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