CVE-2025-54982

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

05/08/2025

Last modified:

05/08/2025

Description

An improper verification of cryptographic signature in Zscaler&#39;s SAML authentication mechanism on the server-side allowed an authentication abuse.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 9.60 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): High
Integrity (I): High
Availability (A): None

Base Score 3.x

9.60

Severity 3.x

CRITICAL

References to Advisories, Solutions, and Tools

https://help.zscaler.com/zia/about-identity-providers