Denial-of-Service Vulnerability in OpenVPN by OpenVPN Technologies
CVE-2017-7520

7.4HIGH

What is CVE-2017-7520?

OpenVPN versions prior to 2.4.3 and 2.3.17 are susceptible to a denial-of-service attack which may be exploited by a man-in-the-middle attacker. This vulnerability can lead to service outages and potentially allows unauthorized access to sensitive information stored in memory. Users are encouraged to upgrade to the latest versions to mitigate any risks associated with this security flaw.

Affected Version(s)

OpenVPN before 2.4.3

OpenVPN before 2.3.17

References

CVSS V3.1

Score:
7.4
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.