CVE-2025-54982 — CRITICAL (9.6)

Vulnerability Description

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

CVSS Score

9.6

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Related Weaknesses (CWE)

CWE-347

References

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

FAQ

What is CVE-2025-54982?

CVE-2025-54982 is a vulnerability with a CVSS score of 9.6 (CRITICAL). An improper verification of cryptographic signature in Zscaler's SAML authentication mechanism on the server-side allowed an authentication abuse.

How severe is CVE-2025-54982?

CVE-2025-54982 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-54982?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.