Vulnerability Report

CVE-2023-6247

Title: Openvpn Openvpn 3 Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2023-6247.

CWE Category CWE-476

Published Date Feb 29, 2024

Modified Date Aug 21, 2025

Exploit Status Not Found

Score 6.5 CVSS v3.1

Exploit Probability (EPSS)

0.78%

Vulnerability Summary

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.

Impacted Vendors

openvpn 1

Reference Links

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

CVSS v3.1

Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0

Severity MEDIUM

6.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2023-6247 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

August 21, 2025 MODIFIED

Vulnerability data or affected products updated.

February 29, 2024 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.