# CVE-2025-40547: A logic error vulnerability exists in Serv-U which when abused could give a malicious actor with access to admin…

Source: https://junglewise.ai/threats/cve-2025-40547-a-logic-error-vulnerability-exists-in-serv-u-which-when-abused  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-11-18  
License: CC BY 4.0 with a link back

CVE-2025-40547 · Severity: critical · CVSS 9.1 · Published 2025-11-18

A logic error vulnerability exists in Serv-U which when abused could give a malicious actor with access to admin privileges the ability to execute code. 

This issue requires administrative privileges to abuse. On Windows deployments, the risk is scored as a medium because services frequently run under less-privileged service accounts by default.

Technologies: [SolarWinds Serv-U](https://junglewise.ai/threats/technologies/serv-u). Vendors: [SolarWinds](https://junglewise.ai/threats/vendors/solarwinds).

## Quick answers

**Is CVE-2025-40547 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-40547 being exploited in the wild.

**How severe is CVE-2025-40547?** Critical severity, with a CVSS score of 9.1, published 18 November 2025.

**Which products and versions are affected?** SolarWinds Serv-U. The advisory does not name versions.

**Is there a fix for CVE-2025-40547?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2025-40547?** Check whether you run SolarWinds Serv-U. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- SolarWinds Serv-U

## Related threats

- [SolarWinds Serv-U broken access control privilege escalation](https://junglewise.ai/threats/cve-2026-28321-solarwinds-serv-u-broken-access-control-privilege-escalation)
- [SolarWinds Serv-U privilege escalation via IDOR](https://junglewise.ai/threats/cve-2026-28317-solarwinds-serv-u-privilege-escalation-via-idor)
- [SolarWinds Serv-U IDOR privilege escalation to root](https://junglewise.ai/threats/cve-2026-28316-solarwinds-serv-u-idor-privilege-escalation-to-root)
- [SolarWinds Serv-U stored XSS in administrator interface](https://junglewise.ai/threats/cve-2026-28315-solarwinds-serv-u-stored-xss-in-administrator-interface)
- [SolarWinds Serv-U account takeover via IDOR](https://junglewise.ai/threats/cve-2026-28314-solarwinds-serv-u-account-takeover-via-idor)