Vulnerabilities > CVE-2016-5117 - 7PK - Security Features vulnerability in Openntpd 6.0

047910
CVSS 5.9 - MEDIUM
Attack vector
NETWORK
Attack complexity
HIGH
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
HIGH
Availability impact
NONE
network
high complexity
openntpd
CWE-254

Summary

OpenNTPD before 6.0p1 does not validate the CN for HTTPS constraint requests, which allows remote attackers to bypass the man-in-the-middle mitigations via a crafted timestamp constraint with a valid certificate.

Vulnerable Configurations

Part Description Count
Application
Openntpd
1

Common Weakness Enumeration (CWE)