Vulnerability Report

CVE-2025-40547

Title: Solarwinds Serv-U Cross-Site Scripting (XSS)

Other

Proof Of Concept

PoC Available for CVE-2025-40547

CWE Category CWE-116

Published Date Nov 18, 2025

Modified Date Dec 02, 2025

Exploit Status Available

Score 9.1 CVSS v3.1

Exploit Probability (EPSS)

0.10%

Vulnerability Summary

CVE-2025-40547: 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.

Impacted Vendors

cat_soft 1

rhinosoft 1

solarwinds 1

Reference Links

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 v3.1

Source Entity [email protected]

Severity CRITICAL

9.1

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

CHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2025-40547 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/Ashwesker/Blackash-CVE-2025-40547

View Code

December 02, 2025 MODIFIED

Vulnerability data or affected products updated.

December 02, 2025 MODIFIED

Vulnerability data updated via NVD.

November 18, 2025 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.