CVE-2023-46850

2023-11-1101:15:07

CWE-416

[email protected]

web.nvd.nist.gov

cve-2023-46850

openvpn

use after free

security vulnerability

nvd

remote execution

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.6 High

AI Score

Confidence

High

0.005 Low

EPSS

Percentile

77.0%

JSON

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.

Affected configurations

NVD

Node

openvpnopenvpnRange2.6.0–2.6.6community

openvpnopenvpn_access_serverRange2.11.0–2.11.3

openvpnopenvpn_access_serverRange2.12.0–2.12.2

Node

debiandebian_linuxMatch12.0

fedoraprojectfedoraMatch39

CPENameOperatorVersion
openvpn:openvpnopenvpnle2.6.6
openvpn:openvpn_access_serveropenvpn openvpn access serverle2.11.3
openvpn:openvpn_access_serveropenvpn openvpn access serverlt2.12.2

CPE	Name	Operator	Version
openvpn:openvpn	openvpn	le	2.6.6
openvpn:openvpn_access_server	openvpn openvpn access server	le	2.11.3
openvpn:openvpn_access_server	openvpn openvpn access server	lt	2.12.2

CNA Affected

[
  {
    "vendor": "OpenVPN",
    "product": "OpenVPN 2 (Community)",
    "versions": [
      {
        "status": "affected",
        "version": "2.6.0",
        "lessThanOrEqual": "2.6.6",
        "versionType": "minor release"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "OpenVPN",
    "product": "Access Server",
    "platforms": [
      "Linux"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "2.11.0",
        "lessThanOrEqual": "2.11.3",
        "versionType": "patch release"
      },
      {
        "status": "affected",
        "version": "2.12.0",
        "lessThanOrEqual": "2.12.2",
        "versionType": "patch release"
      }
    ],
    "defaultStatus": "unaffected"
  }
]