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CVE Record

CVE-2016-7427: The broadcast mode replay prevention functionality in ntpd in NTP before 4.2.8p9 allows remote attackers to...

The broadcast mode replay prevention functionality in ntpd in NTP before 4.2.8p9 allows remote attackers to cause a denial of service (reject broadcast mode packets) via a crafted broadcast mode packet.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This issue can let a remote attacker disrupt NTP broadcast-mode time synchronization on vulnerable ntpd systems. It does not describe code execution or data theft. The business concern is reliability: affected systems may stop accepting broadcast-mode time packets, which can cause time drift and downstream operational issues. Exposure is most likely where ntpd before 4.2.8p9 is deployed and NTP broadcast mode is used or reachable. Vendor advisories in the bundle indicate downstream OS and appliance impact, but the provided affected-product list is incomplete. Treat as a targeted reliability issue, not a confirmed breach indicator. Prioritize remediation for infrastructure where time accuracy affects authentication, logging, trading, monitoring, or operational control systems. Mitigation focus: Upgrade ntpd to NTP 4.2.8p9 or later where applicable.; Apply fixed vendor packages from Ubuntu, FreeBSD, HPE, or other relevant advisories.; Identify whether NTP broadcast mode is required in your environment..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
8Source links

CVSS and timeline data

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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