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CRITICAL

CVE-2025-40552

CVSS v3

9.8

CRITICAL

EPSS Score

52.0 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2025-40552 yet.

Full record on NVD

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.

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2026-01-28
Last Modified
2026-02-26

Frequently asked questions

What is CVE-2025-40552?

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.

Is CVE-2025-40552 actively exploited?

Active exploitation of CVE-2025-40552 has not been confirmed. Its EPSS score was 52.0% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-40552?

CVE-2025-40552 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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