CVE-2025-54982

critical

Description

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

References

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

Details

Source: Mitre, NVD

Published: 2025-08-05

Updated: 2025-08-05

Risk Information

CVSS v2

Base Score: 8.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:N

Severity: High

CVSS v3

Base Score: 9.6

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

Severity: Critical

EPSS

EPSS: 0.00026