// For flags

CVE-2005-2533

 

Severity Score

6.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

OpenVPN before 2.0.1, when running in "dev tap" Ethernet bridging mode, allows remote authenticated clients to cause a denial of service (memory exhaustion) via a flood of packets with a large number of spoofed MAC addresses.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2005-08-10 CVE Reserved
  • 2005-08-24 CVE Published
  • 2024-08-07 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0
Search vendor "Openvpn" for product "Openvpn" and version "2.0"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0.1_rc1
Search vendor "Openvpn" for product "Openvpn" and version "2.0.1_rc1"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0.1_rc2
Search vendor "Openvpn" for product "Openvpn" and version "2.0.1_rc2"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0.1_rc3
Search vendor "Openvpn" for product "Openvpn" and version "2.0.1_rc3"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0.1_rc4
Search vendor "Openvpn" for product "Openvpn" and version "2.0.1_rc4"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0.1_rc5
Search vendor "Openvpn" for product "Openvpn" and version "2.0.1_rc5"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0.1_rc6
Search vendor "Openvpn" for product "Openvpn" and version "2.0.1_rc6"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0.1_rc7
Search vendor "Openvpn" for product "Openvpn" and version "2.0.1_rc7"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_beta1
Search vendor "Openvpn" for product "Openvpn" and version "2.0_beta1"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_beta2
Search vendor "Openvpn" for product "Openvpn" and version "2.0_beta2"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_beta3
Search vendor "Openvpn" for product "Openvpn" and version "2.0_beta3"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_beta4
Search vendor "Openvpn" for product "Openvpn" and version "2.0_beta4"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_beta5
Search vendor "Openvpn" for product "Openvpn" and version "2.0_beta5"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_beta6
Search vendor "Openvpn" for product "Openvpn" and version "2.0_beta6"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_beta7
Search vendor "Openvpn" for product "Openvpn" and version "2.0_beta7"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_beta8
Search vendor "Openvpn" for product "Openvpn" and version "2.0_beta8"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_beta9
Search vendor "Openvpn" for product "Openvpn" and version "2.0_beta9"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_beta10
Search vendor "Openvpn" for product "Openvpn" and version "2.0_beta10"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_beta11
Search vendor "Openvpn" for product "Openvpn" and version "2.0_beta11"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_beta12
Search vendor "Openvpn" for product "Openvpn" and version "2.0_beta12"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_beta13
Search vendor "Openvpn" for product "Openvpn" and version "2.0_beta13"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_beta15
Search vendor "Openvpn" for product "Openvpn" and version "2.0_beta15"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_beta16
Search vendor "Openvpn" for product "Openvpn" and version "2.0_beta16"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_beta17
Search vendor "Openvpn" for product "Openvpn" and version "2.0_beta17"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_beta18
Search vendor "Openvpn" for product "Openvpn" and version "2.0_beta18"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_beta19
Search vendor "Openvpn" for product "Openvpn" and version "2.0_beta19"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_beta20
Search vendor "Openvpn" for product "Openvpn" and version "2.0_beta20"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_beta28
Search vendor "Openvpn" for product "Openvpn" and version "2.0_beta28"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_rc1
Search vendor "Openvpn" for product "Openvpn" and version "2.0_rc1"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_rc2
Search vendor "Openvpn" for product "Openvpn" and version "2.0_rc2"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_rc3
Search vendor "Openvpn" for product "Openvpn" and version "2.0_rc3"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_rc4
Search vendor "Openvpn" for product "Openvpn" and version "2.0_rc4"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_rc5
Search vendor "Openvpn" for product "Openvpn" and version "2.0_rc5"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_rc6
Search vendor "Openvpn" for product "Openvpn" and version "2.0_rc6"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_rc7
Search vendor "Openvpn" for product "Openvpn" and version "2.0_rc7"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_rc8
Search vendor "Openvpn" for product "Openvpn" and version "2.0_rc8"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_rc9
Search vendor "Openvpn" for product "Openvpn" and version "2.0_rc9"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_rc10
Search vendor "Openvpn" for product "Openvpn" and version "2.0_rc10"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_rc11
Search vendor "Openvpn" for product "Openvpn" and version "2.0_rc11"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_rc12
Search vendor "Openvpn" for product "Openvpn" and version "2.0_rc12"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_rc13
Search vendor "Openvpn" for product "Openvpn" and version "2.0_rc13"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_rc14
Search vendor "Openvpn" for product "Openvpn" and version "2.0_rc14"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_rc15
Search vendor "Openvpn" for product "Openvpn" and version "2.0_rc15"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_rc16
Search vendor "Openvpn" for product "Openvpn" and version "2.0_rc16"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_rc17
Search vendor "Openvpn" for product "Openvpn" and version "2.0_rc17"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_rc18
Search vendor "Openvpn" for product "Openvpn" and version "2.0_rc18"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_rc19
Search vendor "Openvpn" for product "Openvpn" and version "2.0_rc19"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_rc20
Search vendor "Openvpn" for product "Openvpn" and version "2.0_rc20"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_rc21
Search vendor "Openvpn" for product "Openvpn" and version "2.0_rc21"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_test1
Search vendor "Openvpn" for product "Openvpn" and version "2.0_test1"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_test2
Search vendor "Openvpn" for product "Openvpn" and version "2.0_test2"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_test3
Search vendor "Openvpn" for product "Openvpn" and version "2.0_test3"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_test5
Search vendor "Openvpn" for product "Openvpn" and version "2.0_test5"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_test6
Search vendor "Openvpn" for product "Openvpn" and version "2.0_test6"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_test7
Search vendor "Openvpn" for product "Openvpn" and version "2.0_test7"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_test8
Search vendor "Openvpn" for product "Openvpn" and version "2.0_test8"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_test9
Search vendor "Openvpn" for product "Openvpn" and version "2.0_test9"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_test10
Search vendor "Openvpn" for product "Openvpn" and version "2.0_test10"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_test11
Search vendor "Openvpn" for product "Openvpn" and version "2.0_test11"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_test12
Search vendor "Openvpn" for product "Openvpn" and version "2.0_test12"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_test14
Search vendor "Openvpn" for product "Openvpn" and version "2.0_test14"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_test15
Search vendor "Openvpn" for product "Openvpn" and version "2.0_test15"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_test16
Search vendor "Openvpn" for product "Openvpn" and version "2.0_test16"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_test17
Search vendor "Openvpn" for product "Openvpn" and version "2.0_test17"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_test18
Search vendor "Openvpn" for product "Openvpn" and version "2.0_test18"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_test19
Search vendor "Openvpn" for product "Openvpn" and version "2.0_test19"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_test20
Search vendor "Openvpn" for product "Openvpn" and version "2.0_test20"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_test21
Search vendor "Openvpn" for product "Openvpn" and version "2.0_test21"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_test22
Search vendor "Openvpn" for product "Openvpn" and version "2.0_test22"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_test23
Search vendor "Openvpn" for product "Openvpn" and version "2.0_test23"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_test24
Search vendor "Openvpn" for product "Openvpn" and version "2.0_test24"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_test26
Search vendor "Openvpn" for product "Openvpn" and version "2.0_test26"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_test27
Search vendor "Openvpn" for product "Openvpn" and version "2.0_test27"
-
Affected
Openvpn
Search vendor "Openvpn"
Openvpn
Search vendor "Openvpn" for product "Openvpn"
2.0_test29
Search vendor "Openvpn" for product "Openvpn" and version "2.0_test29"
-
Affected