CVE-2023-6247
MEDIUMCVSS 6.5/10EPSS 0.78%
Last modified
CVE-2023-6247 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.78% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Openvpn | Openvpn 3 | < 3.8.4 |
References
- https://community.openvpn.net/openvpn/wiki/CVE-2023-6247Patch, Vendor Advisory
- https://community.openvpn.net/openvpn/wiki/CVE-2023-6247Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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.
How severe is CVE-2023-6247?
CVE-2023-6247 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.78% probability of exploitation in the next 30 days.
How do I fix CVE-2023-6247?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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Are you affected by CVE-2023-6247?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST