CVE-2015-7974
HIGH7.7EPSS 10.7%ntp - security update
Published: 1/26/2016Modified: 4/28/2026
Description
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."
Affected packages (3)
- Debian/ntpfrom 0, < 1:4.2.8p7+dfsg-1
- Debian/ntpfrom 0, < 1:4.2.6.p5+dfsg-2+deb7u7
- Debian/ntpfrom 0, < 1:4.2.6.p5+dfsg-7+deb8u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N |