Cisco ISE API Auth Bypass & Info Disclosure via Read-Only Cred
CVE-2025-20125 Published on February 5, 2025

Cisco Identity Services Engine Insufficient Authorization Bypass Vulnerability
A vulnerability in an API of Cisco ISE could allow an authenticated, remote attacker with valid read-only credentials to obtain sensitive information, change node configurations, and restart the node. This vulnerability is due to a lack of authorization in a specific API and improper validation of user-supplied data. An attacker could exploit this vulnerability by sending a crafted HTTP request to a specific API on the device. A successful exploit could allow the attacker to attacker to obtain information, modify system configuration, and reload the device. Note: To successfully exploit this vulnerability, the attacker must have valid read-only administrative credentials. In a single-node deployment, new devices will not be able to authenticate during the reload time.

NVD

Vulnerability Analysis

CVE-2025-20125 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and a high impact on availability.

Attack Vector:

NETWORK

Attack Complexity:

LOW

Privileges Required:

LOW

User Interaction:

NONE

Scope:

CHANGED

Confidentiality Impact:

LOW

Integrity Impact:

LOW

Availability Impact:

HIGH

Weakness Type

What is an AuthZ Vulnerability?

The software does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.

CVE-2025-20125 has been classified to as an AuthZ vulnerability or weakness.

Products Associated with CVE-2025-20125

Want to know whenever a new CVE is published for Cisco Identity Services Engine? stack.watch will email you.

Cisco Identity Services Engine

Affected Versions

Cisco Identity Services Engine Software:

Version 3.0.0 is affected.
Version 3.0.0 p1 is affected.
Version 3.0.0 p2 is affected.
Version 3.0.0 p3 is affected.
Version 3.1.0 is affected.
Version 3.0.0 p4 is affected.
Version 3.1.0 p1 is affected.
Version 3.0.0 p5 is affected.
Version 3.1.0 p3 is affected.
Version 3.1.0 p2 is affected.
Version 3.0.0 p6 is affected.
Version 3.2.0 is affected.
Version 3.1.0 p4 is affected.
Version 2.7.0 p8 is affected.
Version 3.1.0 p5 is affected.
Version 3.2.0 p1 is affected.
Version 3.0.0 p7 is affected.
Version 3.1.0 p6 is affected.
Version 3.2.0 p2 is affected.
Version 3.1.0 p7 is affected.
Version 3.3.0 is affected.
Version 3.2.0 p3 is affected.
Version 3.0.0 p8 is affected.
Version 3.2.0 p4 is affected.
Version 3.1.0 p8 is affected.
Version 3.2.0 p5 is affected.
Version 3.2.0 p6 is affected.
Version 3.1.0 p9 is affected.
Version 3.3 Patch 2 is affected.
Version 3.3 Patch 1 is affected.
Version 3.3 Patch 3 is affected.

Cisco ISE Passive Identity Connector:

Version 3.0.0 is affected.
Version 3.2.0 is affected.
Version 3.1.0 is affected.
Version 3.3.0 is affected.

Exploit Probability

EPSS

0.20%

Percentile

42.01%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.