Security readout for executives and security teams
This flaw affects ntpd authentication handling. A remote attacker could use Crypto-NAK packets to bypass authentication in vulnerable NTP releases. The business concern is trust in time synchronization, which can affect logging, certificates, authentication, and incident timelines. Exposure is most likely on servers, appliances, and embedded or vendor-managed systems running vulnerable ntpd versions, especially where NTP is reachable over a network and authentication is used for trusted time relationships. Prioritize remediation where vulnerable ntpd supports critical systems, external exposure, or authenticated time sources. This is not KEV-listed in the supplied data, but time integrity can have broad operational impact. Mitigation focus: Upgrade NTP to 4.2.8p4, 4.3.77, or later where applicable.; Apply vendor-supported patched packages from relevant OS or appliance advisories.; Check Debian, Gentoo, HPE, NetApp, and Siemens guidance if those platforms are present..
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2015-7871 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
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://bugzilla.redhat.com/show_bug.cgi?id=1274265CVE reference · x_refsource_CONFIRM
- GLSA-201604-03CVE reference · vendor-advisory, x_refsource_GENTOO
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839CVE reference · x_refsource_CONFIRM
- GLSA-201607-15CVE reference · vendor-advisory, x_refsource_GENTOO
- https://security.netapp.com/advisory/ntap-20171004-0001/CVE reference · x_refsource_CONFIRM
- https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdfCVE 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.