THREATPORT/VULNERABILITY/CVE-2025-40552
CRITICAL SEVERITY

CVE-2025-40552

Web Help Desk vulnerability

CVSS
9.8
EPSS
49.7%
EPSS pct
99th
Exploited
No known
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.
Affected vendor
Solarwinds
Affected product
Web Help Desk
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2026-01-28

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 49.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it among the most exploited CVEs currently tracked.

Check your external exposure to CVE-2025-40552

  • Confirm whether Solarwinds Web Help Desk is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2025-40552.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2025-40552

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2025-40552 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2025-40552?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2025-40552.

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