What is CVE-2025-20285?

CVE-2025-20285 is a medium-severity vulnerability in Cisco Identity Services Engine Software, classified under Authentication Bypass by Assumed-Immutable Data. CVSS score: 4.1/10. Published 2025-07-16.

How severe is CVE-2025-20285?

Medium severity. CVSS v3 base score is 4.1 out of 10.

Vulnerability in Cisco Identity Services Engine Software

CVE-2025-20285

A vulnerability in the IP Access Restriction feature of Cisco ISE and Cisco ISE-PIC could allow an authenticated, remote attacker to bypass configured IP access restrictions and log in to the device from a disallowed IP address. This vu…

EPSS: 0.003 (26.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N.

Affected products

Cisco Identity Services Engine Software — versions 3.1.0, 3.1.0 p1, 3.1.0 p3
Cisco Identity_services_engine — versions 3.3.0, 3.4.0
Cisco Identity_services_engine_passive_identity_connector — versions 3.3.0, 3.4.0

Weakness classification (CWE)

CWE-302 — Authentication Bypass by Assumed-Immutable Data

References

psirt@cisco.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-20285?: CVE-2025-20285 is a medium-severity vulnerability in Cisco Identity Services Engine Software, classified under Authentication Bypass by Assumed-Immutable Data. CVSS score: 4.1/10. Published 2025-07-16.
How severe is CVE-2025-20285?: Medium severity. CVSS v3 base score is 4.1 out of 10.