CVE-2023-40060

2FA/MFA Bypass Vulnerability in Serv-U 15.4 and 15.4 Hotfix 1

Published Sep 7, 2023 CVSS 3.1 · 7.2 High EPSS 1.0% KEV · Not listed
Description
A vulnerability has been identified within Serv-U 15.4 and 15.4 Hotfix 1 that, if exploited, allows an actor to bypass multi-factor/two-factor authentication. The actor must have administrator-level access to Serv-U to perform this action.
15.4.  SolarWinds found that the issue was not completely fixed in 15.4 Hotfix 1. 

Remediation

Vendor Solution

All SolarWinds Serv-U customers are advised to upgrade to the latest version of the SolarWinds Serv-U version 15.4 Hotfix 2

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-44667 A vulnerability has been identified within Serv-U 15.4 and 15.4 Hotfix 1 that, if exploited, allows an actor to bypass multi-factor/two-factor authentication. The actor must have administrator-level access to Serv-U to perform this action. 15.4.  SolarWinds found that the issue was not completely fixed in 15.4 Hotfix 1. 
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
SolarWinds
Published
Updated
Feb 27, 2025, 8:57 PM
Reserved
Aug 8, 2023, 11:22 PM
Status
Modified
Published
Sep 7, 2023, 4:15 PM
Modified
Jun 17, 2026, 6:16 AM