CVE-2025-40552
Auth bypass in SolarWinds Web Help Desk allows unauthenticated actions.
Is CVE-2025-40552 being exploited?
Not confirmed. CVE-2025-40552 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 50% probability of exploitation in the next 30 days.
How severe is CVE-2025-40552?
CVE-2025-40552 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-2025-40552?
Yes. A fix has been recorded for CVE-2025-40552. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2025-40552 affect?
CVE-2025-40552 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-2025-40552?
Patch when available; restrict WHD access
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated user can perform actions protected by login, potentially ticket/data manipulation and exposure.
Immediate action required
- 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.