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CVE
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CVE-2017-7520Date: (C)2017-06-28   (M)2023-12-22


OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service and/or possibly sensitive memory leak triggered by man-in-the-middle attacker.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.4CVSS Score : 4.0
Exploit Score: 2.2Exploit Score: 4.9
Impact Score: 5.2Impact Score: 4.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: HIGHAccess Complexity: HIGH
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: HIGHAvailability: PARTIAL
Integrity: NONE 
Availability: HIGH 
  
Reference:
SECTRACK-1038768
BID-99230
DSA-3900
https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243

CPE    1
cpe:/a:openvpn:openvpn
CWE    1
CWE-125
OVAL    10
oval:org.secpod.oval:def:89044600
oval:org.secpod.oval:def:41151
oval:org.secpod.oval:def:41170
oval:org.secpod.oval:def:112507
...

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