How severe is CVE-2022-31734?

CVE-2022-31734 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-31734 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-31734?

CVE-2022-31734 primarily affects Cisco Ws-c2940-8tf-s Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-31734?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-31734 published?

CVE-2022-31734 was published on 2022-06-20 and last updated on 2026-06-17.

CVE-2022-31734

CVE-2022-31734 is a medium-severity vulnerability in Cisco Ws-c2940-8tf-s Firmware with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cisco Ws-c2940-8tf-s Firmware
Published: 2022-06-20
Last modified: 2026-06-17

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

Frequently asked questions

What is CVE-2022-31734?: 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
How severe is CVE-2022-31734?: CVE-2022-31734 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-31734 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-31734?: CVE-2022-31734 primarily affects Cisco Ws-c2940-8tf-s Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-31734?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-31734 published?: CVE-2022-31734 was published on 2022-06-20 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:cisco:ws-c2940-8tf-s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ws-c2940-8tt-s_firmware:*:*:*:*:*:*:*:*

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