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Vulnerabilities

Vulnerability · CVE-2025-40554

SolarWinds web_help_desk Weak Authentication

Published May 1, 2026 · catalog updated May 1, 2026 · SolarWinds

Patch now

CVE-2025-40554 is in the CISA known-exploited catalog. Confirm SolarWinds against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
60.64%
Remediation
Remediation guidance
Affected products
vendor SolarWinds web_help_desk

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor SolarWinds web_help_deskversion unspecified

How to fix CVE-2025-40554

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-40554 is in the CISA known-exploited catalog. Confirm SolarWinds against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 60.64%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 1, 2026 · VulnCheck KEV

    Detected

    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.

  2. May 1, 2026 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2025-40554

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-40554

    30-day exploitation probability 60.6%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2025-40554

    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.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.