CVE-2025-54982 describes a critical server-side authentication bypass vulnerability in Zscaler's SAML authentication mechanism, stemming from improper cryptographic signature verification. This flaw allows for authentication abuse. With a CVSS score of 9.6 (CRITICAL), it presents a low attack complexity and requires low privileges, enabling high confidentiality and integrity impacts without user interaction. While there is no evidence of active exploitation, public exploit code, or KEV listing, the vulnerability has garnered significant community discussion, indicating awareness and potential future interest.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Zscaler | Authentication Server | >= 0, < 6.2rCNA affecteddefault unaffected |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 1.0 Bluesky, 0.5 Mastodon, and 1.6 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.