CVE-2023-6247

MEDIUM
Published Feb 29, 2024 Modified Aug 21, 2025 CWE-476

Description

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.

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CVSS v3.1 Score

6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-476 CWE-476

Affected Products

Vendor Product
openvpn openvpn_3

References

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2023-6247? +
CVE-2023-6247 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2023-6247? +
CVE-2023-6247 affects products from openvpn, specifically: openvpn_3. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2023-6247? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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