CVE-2023-46850
CRITICALCVSS 9.8/10EPSS 1.98%
Last modified
CVE-2023-46850 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Use after free in OpenVPN version 2.6.0 to 2.6.6 may lead to undefined behavoir, leaking memory buffers or remote execution when sending network buffers to a remote peer.. EPSS estimates a 1.98% chance of exploitation in the next 30 days.
Description
Use after free in OpenVPN version 2.6.0 to 2.6.6 may lead to undefined behavoir, leaking memory buffers or remote execution when sending network buffers to a remote peer.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Openvpn | Openvpn | >= 2.6.0, <= 2.6.6 |
| Openvpn | Openvpn Access Server | >= 2.11.0, <= 2.11.3 |
| Openvpn | Openvpn Access Server | >= 2.12.0, < 2.12.2 |
| Debian | Debian Linux | 12.0 |
| Fedoraproject | Fedora | 39 |
References
- https://community.openvpn.net/openvpn/wiki/CVE-2023-46850Vendor Advisory
- https://community.openvpn.net/openvpn/wiki/CVE-2023-46850Vendor Advisory
- https://www.debian.org/security/2023/dsa-5555Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-46850?
Use after free in OpenVPN version 2.6.0 to 2.6.6 may lead to undefined behavoir, leaking memory buffers or remote execution when sending network buffers to a remote peer.
How severe is CVE-2023-46850?
CVE-2023-46850 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.98% probability of exploitation in the next 30 days.
How do I fix CVE-2023-46850?
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.
Are you affected by CVE-2023-46850?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST