Buffer overflow in the embedded HTTP server for Cisco Catalyst switches running CatOS 5.4…
Priority MEDIUM 43CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Denial of service
- 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-119 and the CVSS impact.
Summary
Buffer overflow in the embedded HTTP server for Cisco Catalyst switches running CatOS 5.4 through 7.3 allows remote attackers to cause a denial of service (reset) via a long HTTP request.
Why it matters now
EPSS 0.08637 95th 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 · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:catos:5.4:*:*:*:*:*:*:* | 5.4 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:catos:5.5:*:*:*:*:*:*:* | 5.5 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:catos:5.5\(13a\):*:*:*:*:*:*:* | 5.5(13a) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:catos:6.1:*:*:*:*:*:*:* | 6.1 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:catos:6.1\(2\):*:*:*:*:*:*:* | 6.1(2) | Vulnerable | Cisco |
| cpe:2.3:o:cisco:catos:7.3:*:*:*:*:*:*:* | 7.3 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:catos:7.4:*:*:*:*:*:*:* | 7.4 | Vulnerable | Cisco |
- cpe:2.3:o:cisco:catos:5.4:*:*:*:*:*:*:* Versions 5.4 Vulnerable ·Cisco
- cpe:2.3:o:cisco:catos:5.5:*:*:*:*:*:*:* Versions 5.5 Vulnerable ·Cisco
- cpe:2.3:o:cisco:catos:5.5\(13a\):*:*:*:*:*:*:* Versions 5.5(13a) Vulnerable ·Cisco
- cpe:2.3:o:cisco:catos:6.1:*:*:*:*:*:*:* Versions 6.1 Vulnerable ·Cisco
- cpe:2.3:o:cisco:catos:6.1\(2\):*:*:*:*:*:*:* Versions 6.1(2) Vulnerable ·Cisco
- cpe:2.3:o:cisco:catos:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Cisco
- cpe:2.3:o:cisco:catos:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2002-1222
- 2026-10-03 Alias added: GHSA-35x5-g32v-j75x
- 2026-10-13 EPSS moved to the 95th–99th percentile
References
More Cisco Catos vulnerabilities
- TI-2001-00041 Memory leak in Cisco Catalyst 4000, 5000, and 6000 series switches allows remote… CVSS 2.0HIGH 7.8
- TI-2003-00200 Unknown vulnerability in Cisco Catalyst 7.5(1) allows local users to bypass… CVSS 2.0HIGH 9.3
- TI-2006-04612 The VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) and CatOS allows remote… CVSS 2.0HIGH 7.8
- TI-2005-04003 Unspecified Cisco Catalyst Switches allow remote attackers to cause a denial of service… CVSS 2.0HIGH 7.8
- TI-2002-00996 Cisco IOS 12.0 through 12.2, when supporting SSH, allows remote attackers to cause a… CVSS 2.0HIGH 7.1
- TI-2008-04717 Unspecified vulnerability in the VLAN Trunking Protocol (VTP) implementation on Cisco IOS… CVSS 2.0HIGH 7.1
Sources
- CVE-2002-1222 · CVE Program
- CVE-2002-1222 · NVD
- FIRST EPSS
- GHSA-35x5-g32v-j75x · 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