Is CVE-2005-2534 in the CISA KEV catalog?

No. CVE-2005-2534 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2005-2534?

CVE-2005-2534 has a CVSS v2 base score of 2.6 (LOW).

What is the EPSS score for CVE-2005-2534?

CVE-2005-2534 has an EPSS score of 0.97% (58th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2005-2534?

Upgrade openvpn on debian 11 to 2.0.2-1 or later.

CVE & CISA-KEV Catalog

CVE-2005-2534

LOW

2.6

CVSS v2

NVD

Description

Race condition in OpenVPN before 2.0.1, when --duplicate-cn is not enabled, allows remote attackers to cause a denial of service (server crash) via simultaneous TCP connections from multiple clients that use the same client certificate.

How to fix

Remediation Available

openvpnDebian

Fixed in:2.0.2-1CVE-2005-2534

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

0.97%probability of exploitation in 30 days

58thpercentile

Moderate risk: more likely to be exploited than 58% of all known CVEs.

References

Patch1

mandriva.com

Other references5

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.