Vulnerabilities
Vulnerable Software

Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 68.4%
CVSS Severity
CVSS v2 Score 2.6
Products affected by CVE-2005-2534
  • Openvpn » Openvpn » Version: 2.0
    cpe:2.3:a:openvpn:openvpn:2.0
  • Openvpn » Openvpn » Version: 2.0.1_rc1
    cpe:2.3:a:openvpn:openvpn:2.0.1_rc1
  • Openvpn » Openvpn » Version: 2.0.1_rc2
    cpe:2.3:a:openvpn:openvpn:2.0.1_rc2
  • Openvpn » Openvpn » Version: 2.0.1_rc3
    cpe:2.3:a:openvpn:openvpn:2.0.1_rc3
  • Openvpn » Openvpn » Version: 2.0.1_rc4
    cpe:2.3:a:openvpn:openvpn:2.0.1_rc4
  • Openvpn » Openvpn » Version: 2.0.1_rc5
    cpe:2.3:a:openvpn:openvpn:2.0.1_rc5
  • Openvpn » Openvpn » Version: 2.0.1_rc6
    cpe:2.3:a:openvpn:openvpn:2.0.1_rc6
  • Openvpn » Openvpn » Version: 2.0.1_rc7
    cpe:2.3:a:openvpn:openvpn:2.0.1_rc7
  • Openvpn » Openvpn » Version: 2.0_beta1
    cpe:2.3:a:openvpn:openvpn:2.0_beta1
  • Openvpn » Openvpn » Version: 2.0_beta10
    cpe:2.3:a:openvpn:openvpn:2.0_beta10
  • Openvpn » Openvpn » Version: 2.0_beta11
    cpe:2.3:a:openvpn:openvpn:2.0_beta11
  • Openvpn » Openvpn » Version: 2.0_beta12
    cpe:2.3:a:openvpn:openvpn:2.0_beta12
  • Openvpn » Openvpn » Version: 2.0_beta13
    cpe:2.3:a:openvpn:openvpn:2.0_beta13
  • Openvpn » Openvpn » Version: 2.0_beta15
    cpe:2.3:a:openvpn:openvpn:2.0_beta15
  • Openvpn » Openvpn » Version: 2.0_beta16
    cpe:2.3:a:openvpn:openvpn:2.0_beta16
  • Openvpn » Openvpn » Version: 2.0_beta17
    cpe:2.3:a:openvpn:openvpn:2.0_beta17
  • Openvpn » Openvpn » Version: 2.0_beta18
    cpe:2.3:a:openvpn:openvpn:2.0_beta18
  • Openvpn » Openvpn » Version: 2.0_beta19
    cpe:2.3:a:openvpn:openvpn:2.0_beta19
  • Openvpn » Openvpn » Version: 2.0_beta2
    cpe:2.3:a:openvpn:openvpn:2.0_beta2
  • Openvpn » Openvpn » Version: 2.0_beta20
    cpe:2.3:a:openvpn:openvpn:2.0_beta20
  • Openvpn » Openvpn » Version: 2.0_beta28
    cpe:2.3:a:openvpn:openvpn:2.0_beta28
  • Openvpn » Openvpn » Version: 2.0_beta3
    cpe:2.3:a:openvpn:openvpn:2.0_beta3
  • Openvpn » Openvpn » Version: 2.0_beta4
    cpe:2.3:a:openvpn:openvpn:2.0_beta4
  • Openvpn » Openvpn » Version: 2.0_beta5
    cpe:2.3:a:openvpn:openvpn:2.0_beta5
  • Openvpn » Openvpn » Version: 2.0_beta6
    cpe:2.3:a:openvpn:openvpn:2.0_beta6
  • Openvpn » Openvpn » Version: 2.0_beta7
    cpe:2.3:a:openvpn:openvpn:2.0_beta7
  • Openvpn » Openvpn » Version: 2.0_beta8
    cpe:2.3:a:openvpn:openvpn:2.0_beta8
  • Openvpn » Openvpn » Version: 2.0_beta9
    cpe:2.3:a:openvpn:openvpn:2.0_beta9
  • Openvpn » Openvpn » Version: 2.0_rc1
    cpe:2.3:a:openvpn:openvpn:2.0_rc1
  • Openvpn » Openvpn » Version: 2.0_rc10
    cpe:2.3:a:openvpn:openvpn:2.0_rc10
  • Openvpn » Openvpn » Version: 2.0_rc11
    cpe:2.3:a:openvpn:openvpn:2.0_rc11
  • Openvpn » Openvpn » Version: 2.0_rc12
    cpe:2.3:a:openvpn:openvpn:2.0_rc12
  • Openvpn » Openvpn » Version: 2.0_rc13
    cpe:2.3:a:openvpn:openvpn:2.0_rc13
  • Openvpn » Openvpn » Version: 2.0_rc14
    cpe:2.3:a:openvpn:openvpn:2.0_rc14
  • Openvpn » Openvpn » Version: 2.0_rc15
    cpe:2.3:a:openvpn:openvpn:2.0_rc15
  • Openvpn » Openvpn » Version: 2.0_rc16
    cpe:2.3:a:openvpn:openvpn:2.0_rc16
  • Openvpn » Openvpn » Version: 2.0_rc17
    cpe:2.3:a:openvpn:openvpn:2.0_rc17
  • Openvpn » Openvpn » Version: 2.0_rc18
    cpe:2.3:a:openvpn:openvpn:2.0_rc18
  • Openvpn » Openvpn » Version: 2.0_rc19
    cpe:2.3:a:openvpn:openvpn:2.0_rc19
  • Openvpn » Openvpn » Version: 2.0_rc2
    cpe:2.3:a:openvpn:openvpn:2.0_rc2
  • Openvpn » Openvpn » Version: 2.0_rc20
    cpe:2.3:a:openvpn:openvpn:2.0_rc20
  • Openvpn » Openvpn » Version: 2.0_rc21
    cpe:2.3:a:openvpn:openvpn:2.0_rc21
  • Openvpn » Openvpn » Version: 2.0_rc3
    cpe:2.3:a:openvpn:openvpn:2.0_rc3
  • Openvpn » Openvpn » Version: 2.0_rc4
    cpe:2.3:a:openvpn:openvpn:2.0_rc4
  • Openvpn » Openvpn » Version: 2.0_rc5
    cpe:2.3:a:openvpn:openvpn:2.0_rc5
  • Openvpn » Openvpn » Version: 2.0_rc6
    cpe:2.3:a:openvpn:openvpn:2.0_rc6
  • Openvpn » Openvpn » Version: 2.0_rc7
    cpe:2.3:a:openvpn:openvpn:2.0_rc7
  • Openvpn » Openvpn » Version: 2.0_rc8
    cpe:2.3:a:openvpn:openvpn:2.0_rc8
  • Openvpn » Openvpn » Version: 2.0_rc9
    cpe:2.3:a:openvpn:openvpn:2.0_rc9
  • Openvpn » Openvpn » Version: 2.0_test1
    cpe:2.3:a:openvpn:openvpn:2.0_test1
  • Openvpn » Openvpn » Version: 2.0_test10
    cpe:2.3:a:openvpn:openvpn:2.0_test10
  • Openvpn » Openvpn » Version: 2.0_test11
    cpe:2.3:a:openvpn:openvpn:2.0_test11
  • Openvpn » Openvpn » Version: 2.0_test12
    cpe:2.3:a:openvpn:openvpn:2.0_test12
  • Openvpn » Openvpn » Version: 2.0_test14
    cpe:2.3:a:openvpn:openvpn:2.0_test14
  • Openvpn » Openvpn » Version: 2.0_test15
    cpe:2.3:a:openvpn:openvpn:2.0_test15
  • Openvpn » Openvpn » Version: 2.0_test16
    cpe:2.3:a:openvpn:openvpn:2.0_test16
  • Openvpn » Openvpn » Version: 2.0_test17
    cpe:2.3:a:openvpn:openvpn:2.0_test17
  • Openvpn » Openvpn » Version: 2.0_test18
    cpe:2.3:a:openvpn:openvpn:2.0_test18
  • Openvpn » Openvpn » Version: 2.0_test19
    cpe:2.3:a:openvpn:openvpn:2.0_test19
  • Openvpn » Openvpn » Version: 2.0_test2
    cpe:2.3:a:openvpn:openvpn:2.0_test2
  • Openvpn » Openvpn » Version: 2.0_test20
    cpe:2.3:a:openvpn:openvpn:2.0_test20
  • Openvpn » Openvpn » Version: 2.0_test21
    cpe:2.3:a:openvpn:openvpn:2.0_test21
  • Openvpn » Openvpn » Version: 2.0_test22
    cpe:2.3:a:openvpn:openvpn:2.0_test22
  • Openvpn » Openvpn » Version: 2.0_test23
    cpe:2.3:a:openvpn:openvpn:2.0_test23
  • Openvpn » Openvpn » Version: 2.0_test24
    cpe:2.3:a:openvpn:openvpn:2.0_test24
  • Openvpn » Openvpn » Version: 2.0_test26
    cpe:2.3:a:openvpn:openvpn:2.0_test26
  • Openvpn » Openvpn » Version: 2.0_test27
    cpe:2.3:a:openvpn:openvpn:2.0_test27
  • Openvpn » Openvpn » Version: 2.0_test29
    cpe:2.3:a:openvpn:openvpn:2.0_test29
  • Openvpn » Openvpn » Version: 2.0_test3
    cpe:2.3:a:openvpn:openvpn:2.0_test3
  • Openvpn » Openvpn » Version: 2.0_test5
    cpe:2.3:a:openvpn:openvpn:2.0_test5
  • Openvpn » Openvpn » Version: 2.0_test6
    cpe:2.3:a:openvpn:openvpn:2.0_test6
  • Openvpn » Openvpn » Version: 2.0_test7
    cpe:2.3:a:openvpn:openvpn:2.0_test7
  • Openvpn » Openvpn » Version: 2.0_test8
    cpe:2.3:a:openvpn:openvpn:2.0_test8
  • Openvpn » Openvpn » Version: 2.0_test9
    cpe:2.3:a:openvpn:openvpn:2.0_test9


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