Vulnerability DatabaseCVE-2017-7520
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CVE-2017-7520
Published:June 27, 2017
Updated:May 17, 2026
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.
Related Resources (6)
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-7520
https://security-tracker.debian.org/tracker/CVE-2017-7520
http://www.debian.org/security/2017/dsa-3900
http://www.securitytracker.com/id/1038768
https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243
http://www.securityfocus.com/bid/99230
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CVSS v4
Base Score:
8.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.4
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Out-of-bounds Read
CWE-125
Exposure of Sensitive Information to an Unauthorized Actor
CWE-200
EPSS
Base Score:
0.19