CVE-2022-31734: Cisco Ws-c2940-8tf-S Firmware

Medium severity, CVSS 6.1. EPSS: 0.6% chance of exploitation in the next 30 days.

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

Affected products

• Cisco Ws-c2940-8tf-S Firmware: before 12.2\(50\)sy (fixed in 12.2\(50\)sy)
• Cisco Ws-c2940-8tt-S Firmware: before 12.2\(50\)sy (fixed in 12.2\(50\)sy)

Published 2022-06-20. Last modified 2026-06-17.