Security readout for executives and security teams
This flaw can let an unauthenticated network attacker disrupt time synchronization for affected ntpd systems. It does not expose data or change data, but unreliable time can affect authentication, logging, monitoring, and distributed systems that depend on accurate clocks. Exposure is most likely on systems running ntpd 4.2.8p9 or vendor packages based on affected NTP code, especially where ntpd is reachable from untrusted networks. Treat this as a low-severity operational resilience issue. Patch through normal maintenance, but prioritize internet-facing or business-critical time services because clock disruption can undermine logs, alerts, and authentication reliability. Mitigation focus: Apply ntp updates from the relevant vendor advisory for each affected platform.; Check FreeBSD, Ubuntu, Fedora, Apple, and appliance vendor guidance where applicable.; Restrict network access to ntpd from untrusted networks where operationally possible..
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-2016-9042 mapping review
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Open ATT&CK lookup- Severity
- Low
- CVSS
- 3.7 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L2.21.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
3.7LowVector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Source materials
- CVE List V5 sourceCVE List V5
- FreeBSD-SA-17:03CVE reference · vendor-advisory, x_refsource_FREEBSD
- FEDORA-2017-20d54b2782CVE reference · vendor-advisory, x_refsource_FEDORA
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_usCVE reference · x_refsource_CONFIRM
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0260CVE reference · x_refsource_MISC
- https://kc.mcafee.com/corporate/index?page=content&id=SB10201CVE reference · x_refsource_CONFIRM
- https://support.apple.com/kb/HT208144CVE reference · x_refsource_CONFIRM
- https://support.f5.com/csp/article/K39041624CVE reference · x_refsource_CONFIRM
- https://bto.bluecoat.com/security-advisory/sa147CVE reference · x_refsource_CONFIRM
- https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdfCVE reference · x_refsource_CONFIRM
- https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11CVE reference · x_refsource_MISC
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.