SecuriTricks - CVE-2025-40547

Description

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.

Product(s) Impacted

Vendor	Product	Versions
Solarwinds	Serv-u	*

Weaknesses

Common security weaknesses mapped to this vulnerability.

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.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	solarwinds	serv-u	/	/	/	/	/	/	/	/

References

https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-5-3_release_notes.htm

https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40547

CVSS Score

9.1 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: HIGH
Scope: CHANGED
Confidentiality Impact: HIGH
Integrity Impact: HIGH
Availability Impact: HIGH

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

View Vector String

Timeline

Published: Nov. 18, 2025, 9:15 a.m.
Last Modified: Nov. 18, 2025, 2:06 p.m.

Status : Undergoing Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

psirt@solarwinds.com

CVE-2025-40547