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CVE-2025-40552

SolarWinds Web Help Desk authentication bypass

9.8 CRITICALEPSS 52.0%
  1. Published28 Jan 2026

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

SolarWinds Web Help Desk< 2026.1

Remediation

Fixed in
SolarWinds Web Help Desk≥ 2026.1

References

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Frequently asked

Is CVE-2025-40552 being actively exploited?

CVE-2025-40552 is not in the CISA KEV catalog. Its EPSS exploit probability is 52.0%.

How severe is CVE-2025-40552?

CVE-2025-40552 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 52.0% probability of exploitation.

Which products are affected by CVE-2025-40552?

Affected products include SolarWinds Web Help Desk.

How do I fix CVE-2025-40552?

Upgrade affected software to a fixed version, for example SolarWinds Web Help Desk 2026.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-40552 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.