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Case File

CVE-2016-5117

MEDIUM · CVSS 5.9 EPSS 0.70%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2017-01-31 · Last synced 2026-08-04

CyberRota Analysis

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CVE
CVE-2016-5117
Severity
MEDIUM
CVSS
5.9
EPSS
0.70%

Original NVD Description

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.