---
cve: "CVE-2025-40547"
severity: "CRITICAL"
cvss: 9.1
epss: "1%"
vendor: "SolarWinds"
kev: false
exploited: false
published: "2025-11-18 09:15:51"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-11-10T15:22:24+01:00"
---

# CVE-2025-40547

> 9.1 CRITICAL

## Beschreibung

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.

## CNA-Record (Kanon, cvelistV5)

- CNA: **SolarWinds**
- State: PUBLISHED
- Stand: 2026-02-26 16:56:46
- CNA-CVSS: **9.1** (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H`)

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **no**
  - Technical Impact: **total**

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Hoch | good |
| UI Interaktion | Keine | bad |
| S Scope | Verändert | bad |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Schwachstellen-Klasse

- **CWE-116** — Improper Encoding or Escaping of Output
  The product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.

## Angriffsmuster (CAPEC)

- [CAPEC-73 — User-Controlled Filename](https://capec.mitre.org/data/definitions/73.html) _(Severity: High)_
- [CAPEC-81 — Web Server Logs Tampering](https://capec.mitre.org/data/definitions/81.html) _(Severity: High)_
- [CAPEC-85 — AJAX Footprinting](https://capec.mitre.org/data/definitions/85.html) _(Severity: Low)_
- [CAPEC-104 — Cross Zone Scripting](https://capec.mitre.org/data/definitions/104.html) _(Severity: High)_

## BSI-Hinweise (deutsch)

- [SolarWinds Serv-U: Mehrere Schwachstellen ermöglichen Ausführen von beliebigem Programmcode mit Administratorrechten](https://wid.cert-bund.de/portal/wid/sicherheitshinweis/WID-SEC-W-2025-2618) — _BSI-Einstufung: hoch_
  Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in SolarWinds Serv-U ausnutzen, um beliebigen Programmcode mit Administratorrechten auszuführen.

## Referenzen

- <https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40547>
- <https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-5-3_release_notes.htm>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2025-40547/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_