CVE-2015-7974
Estado: ModificadaAlta (7.7)—
NTP 4.x before 4.2.8p6 and 4.3.x before 4.3.90 do not verify peer associations of symmetric keys when authenticating packets, which might allow remote attackers to conduct impersonation attacks via an arbitrary trusted key, aka a "skeleton key."
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
- Puntuación base: 7.7
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 5.66%
- Percentil entre todas las CVEs puntuadas: 93
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (6)
CWE
- CWE-287
Referencias
- http://bugs.ntp.org/show_bug.cgi?id=2936
- http://rhn.redhat.com/errata/RHSA-2016-2583.html
- http://support.ntp.org/bin/view/Main/NtpBug2936
- http://www.debian.org/security/2016/dsa-3629
- http://www.securityfocus.com/bid/81960
- http://www.securitytracker.com/id/1034782
- http://www.talosintel.com/reports/TALOS-2016-0071/
- https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03750en_us
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03766en_us
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc
- https://security.gentoo.org/glsa/201607-15
- https://security.netapp.com/advisory/ntap-20171031-0001/
- https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11
- http://bugs.ntp.org/show_bug.cgi?id=2936
- http://rhn.redhat.com/errata/RHSA-2016-2583.html
- http://support.ntp.org/bin/view/Main/NtpBug2936
- http://www.debian.org/security/2016/dsa-3629
- http://www.securityfocus.com/bid/81960
- http://www.securitytracker.com/id/1034782
- http://www.talosintel.com/reports/TALOS-2016-0071/
- https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03750en_us
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03766en_us
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc
- https://security.gentoo.org/glsa/201607-15
- https://security.netapp.com/advisory/ntap-20171031-0001/
- https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11
JSON original (NVD)
Mostrar
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