// For flags

CVE-2023-35179

2FA/MFA Bypass Vulnerability in Serv-U 15.4

Severity Score

7.2
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

A vulnerability has been identified within Serv-U 15.4 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.

Se ha identificado una vulnerabilidad dentro de Serv-U 15.4 que, si se explota, permite a un actor eludir la autenticación multifactor/de dos factores. El actor debe tener acceso de nivel de administrador a Serv-U para realizar esta acción. 

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Multiple
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Track*
Exploitation
None
Automatable
No
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2023-06-14 CVE Reserved
  • 2023-08-10 CVE Published
  • 2024-10-09 CVE Updated
  • 2025-04-15 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-284: Improper Access Control
CAPEC
  • CAPEC-180: Exploiting Incorrectly Configured Access Control Security Levels
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Solarwinds
Search vendor "Solarwinds"
 Serv-u
Search vendor "Solarwinds" for product "Serv-u"
 15.4.0
Search vendor "Solarwinds" for product "Serv-u" and version "15.4.0"
-
Affected