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CVE-2005-2534

UnknownEPSS 0.97%

Last modified

CVE-2005-2534 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.97% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.97%

57.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
OpenvpnOpenvpn2.0
OpenvpnOpenvpn2.0.1_rc1
OpenvpnOpenvpn2.0.1_rc2
OpenvpnOpenvpn2.0.1_rc3
OpenvpnOpenvpn2.0.1_rc4
OpenvpnOpenvpn2.0.1_rc5
OpenvpnOpenvpn2.0.1_rc6
OpenvpnOpenvpn2.0.1_rc7
OpenvpnOpenvpn2.0_beta1
OpenvpnOpenvpn2.0_beta2
OpenvpnOpenvpn2.0_beta3
OpenvpnOpenvpn2.0_beta4
OpenvpnOpenvpn2.0_beta5
OpenvpnOpenvpn2.0_beta6
OpenvpnOpenvpn2.0_beta7
OpenvpnOpenvpn2.0_beta8
OpenvpnOpenvpn2.0_beta9
OpenvpnOpenvpn2.0_beta10
OpenvpnOpenvpn2.0_beta11
OpenvpnOpenvpn2.0_beta12
OpenvpnOpenvpn2.0_beta13
OpenvpnOpenvpn2.0_beta15
OpenvpnOpenvpn2.0_beta16
OpenvpnOpenvpn2.0_beta17
OpenvpnOpenvpn2.0_beta18
OpenvpnOpenvpn2.0_beta19
OpenvpnOpenvpn2.0_beta20
OpenvpnOpenvpn2.0_beta28
OpenvpnOpenvpn2.0_rc1
OpenvpnOpenvpn2.0_rc2
OpenvpnOpenvpn2.0_rc3
OpenvpnOpenvpn2.0_rc4
OpenvpnOpenvpn2.0_rc5
OpenvpnOpenvpn2.0_rc6
OpenvpnOpenvpn2.0_rc7
OpenvpnOpenvpn2.0_rc8
OpenvpnOpenvpn2.0_rc9
OpenvpnOpenvpn2.0_rc10
OpenvpnOpenvpn2.0_rc11
OpenvpnOpenvpn2.0_rc12
OpenvpnOpenvpn2.0_rc13
OpenvpnOpenvpn2.0_rc14
OpenvpnOpenvpn2.0_rc15
OpenvpnOpenvpn2.0_rc16
OpenvpnOpenvpn2.0_rc17
OpenvpnOpenvpn2.0_rc18
OpenvpnOpenvpn2.0_rc19
OpenvpnOpenvpn2.0_rc20
OpenvpnOpenvpn2.0_rc21
OpenvpnOpenvpn2.0_test1

Showing 50 of 74 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2005-2534?
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 severe is CVE-2005-2534?
Severity scoring for CVE-2005-2534 is pending analysis. The EPSS model estimates a 0.97% probability of exploitation in the next 30 days.
How do I fix CVE-2005-2534?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2005-2534?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST