What is CVE-2025-20137?

CVE-2025-20137 is a medium-severity vulnerability in Cisco Catalyst_1000-16fp-2g-l, classified under Improper Access Control. CVSS score: 4.7/10. Published 2025-05-07.

How severe is CVE-2025-20137?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Vulnerability in Cisco Catalyst_1000-16fp-2g-l

CVE-2025-20137

A vulnerability in the access control list (ACL) programming of Cisco IOS Software that is running on Cisco Catalyst 1000 Switches and Cisco Catalyst 2960L Switches could allow an unauthenticated, remote attacker to bypass a configured ACL…

EPSS: 0.002 (13.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N.

Affected products

Cisco Catalyst_1000-16fp-2g-l
Cisco Catalyst_1000-16p-2g-l
Cisco Catalyst_1000-16t-2g-l
Cisco Catalyst_1000-16t-e-2g-l
Cisco Catalyst_1000-24fp-4g-l
Cisco Catalyst_1000-24fp-4x-l
Cisco Catalyst_1000-24p-4g-l
Cisco Catalyst_1000-24p-4x-l
Cisco Catalyst_1000-24pp-4g-l
Cisco Catalyst_1000-24t-4g-l

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

psirt@cisco.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-20137?: CVE-2025-20137 is a medium-severity vulnerability in Cisco Catalyst_1000-16fp-2g-l, classified under Improper Access Control. CVSS score: 4.7/10. Published 2025-05-07.
How severe is CVE-2025-20137?: Medium severity. CVSS v3 base score is 4.7 out of 10.