CVE-2025-40552CRITICAL 9.8EPSS p98.8%

CVE-2025-40552CVE-2025-40552

Description

SolarWinds Web Help Desk was found to be susceptible to an authentication bypass vulnerability that if exploited, would allow a malicious actor to execute actions and methods that should be protected by authentication.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS51.70% probability of exploitation · percentile 98.8% · 2026-06-19T12:03:05Z
Published2026-01-28
Last modified2026-02-26

Underlying weaknesses· 1

CWE-1390

References

  1. https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htm
  2. https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40552
  3. https://github.com/watchtowrlabs/watchTowr-vs-SolarWinds-WebHelpDesk-CVE-2025-40552-CVE-2025-40553/blob/main/watchTowr-vs-SolarWinds-WebHelpDesk-CVE-2025-40552-CVE-2025-40553.py

1

TypeTargetConfidenceTier
WeaknessWeak Authenticationcwe-13900%live

Related by meaning· 6

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

CVE
CVE-2025-40554
CVE
SolarWinds Web Help Desk Security Control Bypass Vulnerability
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SolarWinds Web Help Desk Hardcoded Credential Vulnerability
CVE
CVE-2025-40553
CVE
SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability
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SolarWinds Orion Authentication Bypass Vulnerability
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.