// For flags

CVE-2021-31606

OpenVPN Monitor 1.1.3 Authorization Bypass / Denial of Service

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

furlongm openvpn-monitor through 1.1.3 allows Authorization Bypass to disconnect arbitrary clients.

furlongm openvpn-monitor versiones hasta 1.1.3 permite una Omisión de Autorización para desconectar clientes arbitrarios

OpenVPN Monitor versions 1.1.3 and below suffer from an authorization bypass vulnerability that allows an attacker to disconnect arbitrary clients, even if the disconnect feature is disabled.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-04-23 CVE Reserved
  • 2021-09-24 CVE Published
  • 2021-09-24 First Exploit
  • 2024-08-03 CVE Updated
  • 2024-12-17 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-287: Improper Authentication
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Openvpn-monitor Project
Search vendor "Openvpn-monitor Project"
 Openvpn-monitor
Search vendor "Openvpn-monitor Project" for product "Openvpn-monitor"
 <= 1.1.3
Search vendor "Openvpn-monitor Project" for product "Openvpn-monitor" and version " <= 1.1.3"
-
Affected