Security readout for executives and security teams
CVE-2016-9311 is a crash flaw in ntpd before NTP 4.2.8p9. If the trap service is enabled, a remote attacker can send a crafted packet that may crash the time service. The main business impact is loss or instability of time synchronization, not data theft or code execution. Exposure is most likely on systems running ntpd before 4.2.8p9 with trap service enabled, especially where NTP is reachable from untrusted networks. The bundle lists vendor advisories, but does not provide a complete affected product inventory. Prioritize remediation where NTP is externally reachable or supports critical infrastructure. This is a service availability issue with operational consequences, but the supplied evidence does not indicate data compromise, privilege escalation, or confirmed exploitation. Mitigation focus: Update ntpd to NTP 4.2.8p9 or vendor-patched packages.; Review Ubuntu, Red Hat, FreeBSD, HPE, and other relevant vendor advisories.; Disable trap service if unused and supported by vendor guidance..
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-2016-9311 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
- VU#633847CVE reference · third-party-advisory, x_refsource_CERT-VN
- https://bto.bluecoat.com/security-advisory/sa139CVE reference · x_refsource_CONFIRM
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03799en_usCVE reference · x_refsource_CONFIRM
- FreeBSD-SA-16:39CVE reference · vendor-advisory, x_refsource_FREEBSD
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03885en_usCVE reference · x_refsource_CONFIRM
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.