CVE-2023-6247 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00576.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Openvpn Subscribe	Openvpn 3 Subscribe

Configuration 1 [-]

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

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://community.openvpn.net/openvpn/wiki/CVE-2023-6247

History

Fri, 22 Aug 2025 01:00:00 +0900

Type	Values Removed	Values Added
First Time appeared		Openvpn openvpn 3
CPEs	cpe:2.3:a:openvpn:openvpn::::::::	cpe:2.3:a:openvpn:openvpn_3::::::::
Vendors & Products	Openvpn openvpn	Openvpn openvpn 3

Thu, 21 Aug 2025 23:30:00 +0900

Type	Values Removed	Values Added
First Time appeared		Openvpn Openvpn openvpn
CPEs		cpe:2.3:a:openvpn:openvpn::::::::
Vendors & Products		Openvpn Openvpn openvpn

Mon, 28 Oct 2024 09:15:00 +0900

Type	Values Removed	Values Added
Metrics		cvssV3_1 `{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: OpenVPN

Published: 2024-02-20T18:43:17.890Z

Updated: 2024-10-28T00:05:34.713Z

Reserved: 2023-11-21T20:06:31.515Z

Link: CVE-2023-6247

Vulnrichment

Updated: 2024-08-02T08:21:18.110Z

NVD

Status : Analyzed

Published: 2024-02-29T01:42:34.380

Modified: 2025-08-21T15:53:11.440

Link: CVE-2023-6247

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-476

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