CVE-2023-6247

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2023-6247
The PKCS#7 parser in OpenVPN 3 Core Library versions through 3.8.3 did not properly validate the parsed data, which would result in the application crashing.

6.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://community.openvpn.net/openvpn/wiki/CVE-2023-6247 Patch Vendor Advisory
https://community.openvpn.net/openvpn/wiki/CVE-2023-6247 Patch Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:openvpn:openvpn_3:*:*:*:*:*:*:*:*
History

21 Aug 2025, 15:53

Type Values Removed Values Added
First Time Openvpn openvpn 3
CPE cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:* cpe:2.3:a:openvpn:openvpn_3:*:*:*:*:*:*:*:*

21 Aug 2025, 14:27

Type Values Removed Values Added
References () https://community.openvpn.net/openvpn/wiki/CVE-2023-6247 - () https://community.openvpn.net/openvpn/wiki/CVE-2023-6247 - Patch, Vendor Advisory
CPE cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*
First Time Openvpn
Openvpn openvpn

21 Nov 2024, 08:43

Type Values Removed Values Added
References () https://community.openvpn.net/openvpn/wiki/CVE-2023-6247 - () https://community.openvpn.net/openvpn/wiki/CVE-2023-6247 -

28 Oct 2024, 00:35

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 6.5
Summary
  • (es) El analizador PKCS#7 en las versiones de OpenVPN 3 Core Library hasta 3.8.3 no validó correctamente los datos analizados, lo que provocaría que la aplicación fallara.

29 Feb 2024, 01:42

Type Values Removed Values Added
New CVE
Information

Published : 2024-02-29 01:42

Updated : 2025-08-21 15:53

NVD link : CVE-2023-6247

Mitre link : CVE-2023-6247

CVE.ORG link : CVE-2023-6247

JSON object : View

Products Affected

openvpn

  • openvpn_3
CWE
CWE-476

NULL Pointer Dereference