HOMEVULNERABILITIESCVE-2024-27903
CRITICAL

CVE-2024-27903

CWE-283Published: July 8, 2024· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

OpenVPN plug-ins on Windows with OpenVPN 2.6.9 and earlier could be loaded from any directory, which allows an attacker to load an arbitrary plug-in which can be used to interact with the privileged OpenVPN interactive service.

NVD Source

Technical Analysis

CVE-2024-27903 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

openvpn1 product(s)
openvpn
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://community.openvpn.net/openvpn/wiki/CVE-2024-27903
ADVISORYhttps://openvpn.net/security-advisory/ovpnx-vulnerability-cve-2024-27903-cve-2024-27459-cve-2024-24974/
ADVISORYhttps://community.openvpn.net/openvpn/wiki/CVE-2024-27903
ADVISORYhttps://openvpn.net/security-advisory/ovpnx-vulnerability-cve-2024-27903-cve-2024-27459-cve-2024-24974/

All References (6)

→
https://community.openvpn.net/openvpn/wiki/CVE-2024-27903Vendor Advisory
→
https://openvpn.net/security-advisory/ovpnx-vulnerability-cve-2024-27903-cve-2024-27459-cve-2024-24974/Vendor Advisory
→
https://www.mail-archive.com/[email protected]/msg07534.htmlMailing List
→
https://community.openvpn.net/openvpn/wiki/CVE-2024-27903Vendor Advisory
→
https://openvpn.net/security-advisory/ovpnx-vulnerability-cve-2024-27903-cve-2024-27459-cve-2024-24974/Vendor Advisory
→
https://www.mail-archive.com/[email protected]/msg07534.htmlMailing List

Quick Facts

CVE IDCVE-2024-27903
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-283
CISA KEVNo
Affected1 vendor(s)
PublishedJul 8, 2024

Related CVEs (CWE-283)

CVE-2021-24500
8.1
CVE-2021-24501
8.1
CVE-2026-26016
8.1
CVE-2025-43882
7.8
CVE-2026-29788
7.5
CVE-2026-4269
7.5

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2024-27903 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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