OpenVPN 2.7_alpha1 through 2.7.7 allows remote authenticated users to impersonate others via a crafted certificate subject field

Metrics

Attack Vector Network

Attack Complexity High

Privileges Required Low

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00217.

Exploitation none

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
Openvpn Subscribe
Openvpn Subscribe

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors Products
Openvpn Subscribe
Openvpn Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://community.openvpn.net/Security%20Announcements/CVE-2026-84790 cve-icon cve-icon
History

Sun, 18 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Sun, 18 Oct 2026 11:30:00 +0000

Type Values Removed Values Added
First Time appeared Openvpn
Openvpn openvpn
Vendors & Products Openvpn
Openvpn openvpn

Fri, 16 Oct 2026 02:45:00 +0000

Type Values Removed Values Added
Title OpenVPN 2.7.x Remote Authenticated Certificate Subject Field for Account Impersonation

Tue, 13 Oct 2026 22:00:00 +0000

Type Values Removed Values Added
Description OpenVPN 2.3.0 through 2.6.22 and 2.7_alpha1 through 2.7.7 allows remote authenticated users to impersonate others via a crafted certificate subject field OpenVPN 2.7_alpha1 through 2.7.7 allows remote authenticated users to impersonate others via a crafted certificate subject field

Tue, 13 Oct 2026 21:45:00 +0000

Type Values Removed Values Added
Description OpenVPN 2.3.0 through 2.6.22 and 2.7_alpha1 through 2.7.7 allows remote authenticated users to impersonate others via a crafted certificate subject field
Weaknesses CWE-158
CWE-290
References
Metrics cvssV4_0

{'score': 7.6, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: OpenVPN

Published:

Updated: 2026-10-18T13:54:09.591Z

Reserved: 2026-09-02T10:17:52.615Z

Link: CVE-2026-84790

cve-icon Vulnrichment

Updated: 2026-10-18T13:47:51.747Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-13T22:18:58.937

Modified: 2026-10-18T14:16:56.797

Link: CVE-2026-84790

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-18T11:15:16Z

Weaknesses