CVE-2024-27903

CRITICALNVD 9.87.2▼

9.8

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.

CVSS v3: 9.8
EG Score: 7.2(medium)
EPSS: 91.6%
KEV: Not listed

Published

July 8, 2024

Last Modified

November 21, 2024

References (6)

security@openvpnhttps://community.openvpn.net/openvpn/wiki/CVE-2024-27903
security@openvpnhttps://openvpn.net/security-advisory/ovpnx-vulnerability-cve-2024-27903-cve-2024-27459-cve-2024-24974/
security@openvpnhttps://www.mail-archive.com/openvpn-users@lists.sourceforge.net/msg07534.html
af854a3a-2127-422b-91ae-364da2661108https://community.openvpn.net/openvpn/wiki/CVE-2024-27903
af854a3a-2127-422b-91ae-364da2661108https://openvpn.net/security-advisory/ovpnx-vulnerability-cve-2024-27903-cve-2024-27459-cve-2024-24974/
af854a3a-2127-422b-91ae-364da2661108https://www.mail-archive.com/openvpn-users@lists.sourceforge.net/msg07534.html

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 8× in last 7d / 8× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-23 22:53 UTCEG score recompute
2026-05-23 22:53 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2024-27903?

CVE-2024-27903 is a critical vulnerability published on July 8, 2024. 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.

When was CVE-2024-27903 disclosed?

CVE-2024-27903 was first published in the National Vulnerability Database on July 8, 2024, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-27903 actively exploited?

CVE-2024-27903 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 91.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-27903?

CVE-2024-27903 has a CVSS v3 base score of 9.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.2.

How do I remediate CVE-2024-27903?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-27903, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-27903

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CVE-2024-27903

📅 Published

🔄 Last Modified

🔗 References (6)