CVE-2025-40541
IDOR in Serv-U could execute code as a privileged account.
Is CVE-2025-40541 being exploited?
Not confirmed. CVE-2025-40541 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 0.57% probability of exploitation in the next 30 days.
How severe is CVE-2025-40541?
CVE-2025-40541 is rated Critical with a CVSS score of 9.1. 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-2025-40541?
Yes. A fix has been recorded for CVE-2025-40541. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2025-40541 affect?
CVE-2025-40541 affects SolarWinds Serv-U. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2025-40541?
Patch when available; enforce least privilege; monitor admin activity
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Privilege escalation via IDOR to run native code with elevated rights; admin creds required to exploit.
Immediate action required
- affectedSolarWinds Serv-U 15.5.3 and prior versions
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.