Security readout for executives and security teams
This flaw can let a remote attacker disrupt ntpd on systems running NTP before 4.2.8p9 by abusing broadcast-mode packet handling. The business impact is service availability: time synchronization may become unreliable, which can affect logging, authentication, monitoring, and operational workflows that depend on accurate time. Exposure is most likely where ntpd versions earlier than 4.2.8p9 are deployed and NTP traffic is reachable by untrusted networks. Vendor advisories indicate downstream operating system and appliance packages may be affected, but the provided bundle does not enumerate every affected product. Handle as a targeted availability risk. It is not evidenced as actively exploited in the provided sources, but time-service disruption can create secondary operational problems. Patch during normal vulnerability maintenance, with faster action for exposed or shared NTP infrastructure. Mitigation focus: Upgrade NTP/ntpd to 4.2.8p9 or a vendor-fixed package.; Check Ubuntu, FreeBSD, HPE, and appliance vendor advisories for package-specific fixes.; Limit NTP service exposure to trusted networks where operationally feasible..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2016-7428 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03706en_usCVE reference · x_refsource_CONFIRM
- USN-3707-2CVE reference · vendor-advisory, x_refsource_UBUNTU
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03883en_usCVE reference · x_refsource_CONFIRM
- VU#633847CVE reference · third-party-advisory, x_refsource_CERT-VN
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03899en_usCVE reference · x_refsource_CONFIRM
- https://bto.bluecoat.com/security-advisory/sa139CVE reference · x_refsource_CONFIRM
- FreeBSD-SA-16:39CVE reference · vendor-advisory, x_refsource_FREEBSD
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.