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CVE-2025-40554

SolarWinds Web Help Desk authentication bypass

9.8 CRITICALEPSS 60.6%
  1. Published28 Jan 2026

Description

SolarWinds Web Help Desk was found to be susceptible to an authentication bypass vulnerability that, if exploited, could allow an attacker to invoke specific actions within Web Help Desk.

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-2025-40554 being actively exploited?

CVE-2025-40554 is not in the CISA KEV catalog. Its EPSS exploit probability is 60.6%.

How severe is CVE-2025-40554?

CVE-2025-40554 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 60.6% probability of exploitation.

Which products are affected by CVE-2025-40554?

Affected products include SolarWinds Web Help Desk.

How do I fix CVE-2025-40554?

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-2025-40554 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.