Cross-site scripting in Cisco Catalyst 2940 Series Switches
Priority LOW 28CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
Cisco Catalyst 2940 Series Switches provided by Cisco Systems, Inc. contain a reflected cross-site scripting vulnerability regarding error page generation. An arbitrary script may be executed on the web browser of the user who is using the product. The affected firmware is prior to 12.2(50)SY released in 2011, and Cisco Catalyst 2940 Series Switches have been retired since January 2015
Why it matters now
EPSS 0.00648 51st 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 |
|---|---|---|---|---|---|
| Cisco | Cisco Catalyst 2940 Series Switches | firmware versions prior to 12.2(50)SY | — | No fix listed | CNA |
- Cisco Catalyst 2940 Series Switches VendorCisco Affected firmware versions prior to 12.2(50)SY Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:ws-c2940-8tf-s_firmware:*:*:*:*:*:*:*:* | before 12.2\(50\)sy | Vulnerable | Cisco |
| cpe:2.3:h:cisco:ws-c2940-8tf-s:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:o:cisco:ws-c2940-8tt-s_firmware:*:*:*:*:*:*:*:* | before 12.2\(50\)sy | Vulnerable | Cisco |
| cpe:2.3:h:cisco:ws-c2940-8tt-s:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
- cpe:2.3:o:cisco:ws-c2940-8tf-s_firmware:*:*:*:*:*:*:*:* Versions before 12.2\(50\)sy Vulnerable ·Cisco
- cpe:2.3:h:cisco:ws-c2940-8tf-s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:o:cisco:ws-c2940-8tt-s_firmware:*:*:*:*:*:*:*:* Versions before 12.2\(50\)sy Vulnerable ·Cisco
- cpe:2.3:h:cisco:ws-c2940-8tt-s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-31734
- 2026-10-03 Alias added: GHSA-87mg-gx7c-q5gr
- 2026-10-19 EPSS moved to the 50th–90th percentile
References
Sources
- CVE-2022-31734 · CVE Program
- CVE-2022-31734 · NVD
- FIRST EPSS
- GHSA-87mg-gx7c-q5gr · GitHub Advisory Database · CC BY 4.0
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