Vulnerability Report

CVE-2025-40548

Title: Solarwinds Serv-U Auth Bypass

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2025-40548.

CWE Category CWE-269

Published Date Nov 18, 2025

Modified Date Dec 02, 2025

Exploit Status Not Found

Score 9.1 CVSS v3.1

Exploit Probability (EPSS)

0.06%

Vulnerability Summary

CVE-2025-40548: A missing validation process exists in Serv U 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-2025-40548

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-2025-40548 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

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.