CVE-2025-54982CRITICAL 9.6EPSS p28.4%

CVE-2025-54982CVE-2025-54982

Description

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

Scoring

CVSS 3.19.6 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
EPSS0.37% probability of exploitation · percentile 28.4% · 2026-06-19T12:03:05Z
Published2025-08-05
Last modified2026-04-15

Underlying weaknesses· 1

CWE-347

References

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

1

TypeTargetConfidenceTier
WeaknessImproper Verification of Cryptographic Signaturecwe-3470%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.