// For flags

CVE-2020-15074

 

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

OpenVPN Access Server older than version 2.8.4 and version 2.9.5 generates new user authentication tokens instead of reusing exiting tokens on reconnect making it possible to circumvent the initial token expiry timestamp.

El servidor de acceso OpenVPN anterior a la versión 2.8.4 y la versión 2.9.5 genera nuevos tokens de autenticación de usuario en lugar de reutilizar los tokens existentes en la reconexión, lo que permite eludir la marca de tiempo de caducidad del token inicial

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-06-25 CVE Reserved
  • 2020-07-14 CVE Published
  • 2023-03-30 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-302: Authentication Bypass by Assumed-Immutable Data
  • CWE-613: Insufficient Session Expiration
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
https://openvpn.net/vpn-server-resources/release-notes 2021-11-23
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Openvpn
Search vendor "Openvpn"
 Openvpn Access Server
Search vendor "Openvpn" for product "Openvpn Access Server"
 < 2.8.4
Search vendor "Openvpn" for product "Openvpn Access Server" and version " < 2.8.4"
-
Affected
Openvpn
Search vendor "Openvpn"
 Openvpn Access Server
Search vendor "Openvpn" for product "Openvpn Access Server"
 >= 2.9.0 < 2.9.6
Search vendor "Openvpn" for product "Openvpn Access Server" and version " >= 2.9.0 < 2.9.6"
-
Affected