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CVE-2025-20337

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CVE-2025-20337

Published: Jul 16, 2025

Modified: Feb 26, 2026

PUBLISHED

CVSS v3.1

10.0

CRITICAL

Description

A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to execute arbitrary code on the underlying operating system as root. The attacker does not require any valid credentials to exploit this vulnerability. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by submitting a crafted API request. A successful exploit could allow the attacker to obtain root privileges on an affected device.

VendorProductVersions

Cisco

Cisco Identity Services Engine Software

affected
3.3.0
affected
3.3 Patch 2
affected
3.3 Patch 1
affected
3.3 Patch 3
affected
3.4.0

+4 more versions

Cisco

Cisco ISE Passive Identity Connector

affected
3.2.0
affected
3.1.0
affected
3.3.0
affected
3.4.0

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

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