CVE-2025-40554
Auth bypass in SolarWinds Web Help Desk enables unauthorized actions.
Is CVE-2025-40554 being exploited?
Not confirmed. CVE-2025-40554 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 58% probability of exploitation in the next 30 days.
How severe is CVE-2025-40554?
CVE-2025-40554 is rated Critical with a CVSS score of 9.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2025-40554?
Yes. A fix has been recorded for CVE-2025-40554. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2025-40554 affect?
CVE-2025-40554 affects SolarWinds Web Help Desk. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2025-40554?
Monitor exposure; patch ASAP when available; restrict WHD access.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Attacker can bypass login to perform admin-like actions in WHD, potentially modify tickets or view data.
Monitor only
- affected12.8.8 HF1 and below
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.