Vulnerability Report

CVE-2023-46850

Title: Openvpn Openvpn Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2023-46850.

CWE Category CWE-416

Published Date Nov 11, 2023

Modified Date Jun 23, 2026

Exploit Status Not Found

Score 9.8 CVSS v3.1

Exploit Probability (EPSS)

2.00%

Vulnerability Summary

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.

Impacted Vendors

aviatrix 1

openvpn 2

Reference Links

https://community.openvpn.net/openvpn/wiki/CVE-2023-46850 https://lists.fedoraproject.org/archives/list/[email protected]/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/ https://lists.fedoraproject.org/archives/list/[email protected]/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/ https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/ https://www.debian.org/security/2023/dsa-5555 https://community.openvpn.net/openvpn/wiki/CVE-2023-46850 https://lists.fedoraproject.org/archives/list/[email protected]/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/ https://lists.fedoraproject.org/archives/list/[email protected]/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/ https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/ https://www.debian.org/security/2023/dsa-5555

CVSS v3.1

Source Entity [email protected]

Severity CRITICAL

9.8

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:N/UI:N/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2023-46850 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 23, 2026 MODIFIED

Vulnerability data updated via NVD.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

November 11, 2023 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:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.