CVE-2022-31734

Name: CVE-2022-31734
Creator: NVD / NIST
Published: 2022-06-20T10:15:07.95+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.52%

Last modified Jun 17, 2026

CVE-2022-31734 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Cisco Catalyst 2940 Series Switches provided by Cisco Systems, Inc. contain a reflected cross-site scripting vulnerability regarding error page generation. EPSS estimates a 0.52% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.52%

39.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Cisco	Ws-C2940-8tf-S Firmware	< 12.2\(50\)sy
Cisco	Ws-C2940-8tt-S Firmware	< 12.2\(50\)sy

References

https://jvn.jp/en/jp/JVN94363766/index.htmlThird Party Advisory
https://www.cisco.com/c/en/us/obsolete/switches/cisco-catalyst-2940-series-switches.htmlVendor Advisory
https://jvn.jp/en/jp/JVN94363766/index.htmlThird Party Advisory
https://www.cisco.com/c/en/us/obsolete/switches/cisco-catalyst-2940-series-switches.htmlVendor Advisory

Timeline

Published: Jun 20, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-31734?

How severe is CVE-2022-31734?

CVE-2022-31734 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.

How do I fix CVE-2022-31734?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-31734?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST