Memory leak on Cisco Adaptive Security Appliances (ASA) 5500 series devices with software…
Priority LOW 22CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-200.
Summary
Memory leak on Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 8.2 through 8.4 allows remote authenticated users to cause a denial of service (memory consumption and blank response page) by using the clientless WebVPN feature, aka Bug ID CSCth34278.
Why it matters now
EPSS 0.01384 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 · 20
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:cisco:5500_series_adaptive_security_appliance:*:*:*:*:*:*:*:* | all versions | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2:*:*:*:*:*:*:* | 8.2 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(1\):*:*:*:*:*:*:* | 8.2(1) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(2\):*:*:*:*:*:*:* | 8.2(2) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(3\):*:*:*:*:*:*:* | 8.2(3) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(3.9\):*:*:*:*:*:*:* | 8.2(3.9) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(4\):*:*:*:*:*:*:* | 8.2(4) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(4.1\):*:*:*:*:*:*:* | 8.2(4.1) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(4.4\):*:*:*:*:*:*:* | 8.2(4.4) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(5\):*:*:*:*:*:*:* | 8.2(5) | Vulnerable | Cisco |
- cpe:2.3:h:cisco:5500_series_adaptive_security_appliance:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2:*:*:*:*:*:*:* Versions 8.2 Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(1\):*:*:*:*:*:*:* Versions 8.2(1) Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(2\):*:*:*:*:*:*:* Versions 8.2(2) Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(3\):*:*:*:*:*:*:* Versions 8.2(3) Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(3.9\):*:*:*:*:*:*:* Versions 8.2(3.9) Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(4\):*:*:*:*:*:*:* Versions 8.2(4) Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(4.1\):*:*:*:*:*:*:* Versions 8.2(4.1) Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(4.4\):*:*:*:*:*:*:* Versions 8.2(4.4) Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(5\):*:*:*:*:*:*:* Versions 8.2(5) Vulnerable ·Cisco
Show 10 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2.1:*:*:*:*:*:*:* | 8.2.1 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2.2:*:*:*:*:*:*:* | 8.2.2 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2.2:interim:*:*:*:*:*:* | 8.2.2 interim | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2.3:*:*:*:*:*:*:* | 8.2.3 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3\(1\):*:*:*:*:*:*:* | 8.3(1) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3\(2\):*:*:*:*:*:*:* | 8.3(2) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3.1:*:*:*:*:*:*:* | 8.3.1 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3.1:interim:*:*:*:*:*:* | 8.3.1 interim | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3.2:*:*:*:*:*:*:* | 8.3.2 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4:*:*:*:*:*:*:* | 8.4 | Vulnerable | Cisco |
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2.1:*:*:*:*:*:*:* Versions 8.2.1 Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2.2:*:*:*:*:*:*:* Versions 8.2.2 Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2.2:interim:*:*:*:*:*:* Versions 8.2.2 interim Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2.3:*:*:*:*:*:*:* Versions 8.2.3 Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3\(1\):*:*:*:*:*:*:* Versions 8.3(1) Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3\(2\):*:*:*:*:*:*:* Versions 8.3(2) Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3.1:*:*:*:*:*:*:* Versions 8.3.1 Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3.1:interim:*:*:*:*:*:* Versions 8.3.1 interim Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3.2:*:*:*:*:*:*:* Versions 8.3.2 Vulnerable ·Cisco
- cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4:*:*:*:*:*:*:* Versions 8.4 Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2012-2474
- 2026-10-03 Alias added: GHSA-mgcq-2wq9-xqxh
References
More Cisco 5500 Series Adaptive Security Appliance vulnerabilities
- TI-2012-00331 Buffer overflow in the Cisco Port Forwarder ActiveX control in cscopf.ocx, as distributed… CVSS 2.0HIGH 9.3
- TI-2012-03972 Stack-based buffer overflow in the DCERPC inspection engine on Cisco Adaptive Security… CVSS 2.0HIGH 9.0
- TI-2010-04403 The WebVPN implementation on Cisco Adaptive Security Appliances (ASA) 5500 series devices… CVSS 2.0HIGH 9.0
- TI-2010-04398 Cisco Adaptive Security Appliances (ASA) 5500 series devices with software before 8.2(3)… CVSS 2.0HIGH 9.0
- TI-2011-00330 Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 7.0 before… CVSS 2.0HIGH 7.8
- TI-2010-04393 The Neighbor Discovery (ND) protocol implementation in the IPv6 stack on Cisco Adaptive… CVSS 2.0HIGH 7.8
Sources
- CVE-2012-2474 · CVE Program
- CVE-2012-2474 · NVD
- FIRST EPSS
- GHSA-mgcq-2wq9-xqxh · 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