CVE-2021-3606

CVSS V2 Medium 4.4 CVSS V3 High 7.8
Description
OpenVPN before version 2.5.3 on Windows allows local users to load arbitrary dynamic loadable libraries via an OpenSSL configuration file if present, which allows the user to run arbitrary code with the same privilege level as the main OpenVPN process (openvpn.exe).
Overview
  • CVE ID
  • CVE-2021-3606
  • Assigner
  • security@openvpn.net
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-07-02T13:15:07
  • Last Modified Date
  • 2021-07-09T14:30:54
Weakness Enumerations
CWE URL
CWE-427 http://cwe.mitre.org/data/definitions/427.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:* 1 OR 2.5.3
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.4
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements Vendor Advisory
https://community.openvpn.net/openvpn/wiki/CVE-2021-3606 Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-3606
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3606
History
Created Old Value New Value Data Type Notes
2022-05-10 07:07:45 Added to TrackCVE
2022-12-05 05:22:17 2021-07-02T13:15Z 2021-07-02T13:15:07 CVE Published Date updated
2022-12-05 05:22:17 2021-07-09T14:30:54 CVE Modified Date updated
2022-12-05 05:22:17 Analyzed Vulnerability Status updated