CVE-2024-27459

HIGHNVD 7.87.8—

7.8

The interactive service in OpenVPN 2.6.9 and earlier allows an attacker to send data causing a stack overflow which can be used to execute arbitrary code with more privileges.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 90.3%
KEV: Not listed

Published

July 8, 2024

Last Modified

November 21, 2024

References (6)

security@openvpnhttps://community.openvpn.net/openvpn/wiki/CVE-2024-27459
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-2024-27459
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 16× in last 7d / 20× 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.

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Frequently asked(5)

What is CVE-2024-27459?

CVE-2024-27459 is a high vulnerability published on July 8, 2024. The interactive service in OpenVPN 2.6.9 and earlier allows an attacker to send data causing a stack overflow which can be used to execute arbitrary code with more privileges.

When was CVE-2024-27459 disclosed?

CVE-2024-27459 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-2024-27459 actively exploited?

CVE-2024-27459 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 90.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-27459?

CVE-2024-27459 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2024-27459?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-27459, 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.

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CVE-2024-27459

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-27459?

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Published

Last Modified

References (6)

Frequently asked(5)

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