Vulnerability Database

289,689

Total vulnerabilities in the database

CVE-2015-7974

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."

  • Published: Jan 26, 2016
  • Updated: Apr 13, 2023
  • CVE: CVE-2015-7974
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.7
  • AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

CVSS v2:

  • Severity: Low
  • Score: 4
  • AV:N/AC:L/Au:S/C:N/I:P/A:N
Software From Fixed in
ntp / ntp 4.2.8-p5 4.2.8-p5.x
ntp / ntp 4.2.8-p2 4.2.8-p2.x
ntp / ntp 4.2.8-p3 4.2.8-p3.x
ntp / ntp 4.2.8-p4 4.2.8-p4.x
ntp / ntp 4.2.8-p1 4.2.8-p1.x
ntp / ntp 4.2.8-p3-rc3 4.2.8-p3-rc3.x
ntp / ntp 4.2.8-p3-rc2 4.2.8-p3-rc2.x
ntp / ntp 4.2.8-p3-rc1 4.2.8-p3-rc1.x
ntp / ntp 4.2.8-p2-rc3 4.2.8-p2-rc3.x
ntp / ntp 4.2.8-p2-rc2 4.2.8-p2-rc2.x
ntp / ntp 4.2.8-p2-rc1 4.2.8-p2-rc1.x
ntp / ntp 4.2.8-p1-rc2 4.2.8-p1-rc2.x
ntp / ntp 4.2.8-p1-rc1 4.2.8-p1-rc1.x
ntp / ntp 4.2.8-p1-beta5 4.2.8-p1-beta5.x
ntp / ntp 4.2.8-p1-beta4 4.2.8-p1-beta4.x
ntp / ntp 4.2.8-p1-beta3 4.2.8-p1-beta3.x
ntp / ntp 4.2.8-p1-beta2 4.2.8-p1-beta2.x
ntp / ntp 4.2.8-p1-beta1 4.2.8-p1-beta1.x
ntp / ntp 4.2.8 4.2.8.x
ntp / ntp 4.2.0 4.2.8
ntp / ntp 4.3.0 4.3.90
siemens / tim_4r-ie_firmware - -
siemens / tim_4r-ie_dnp3_firmware - -
debian / debian_linux 8.0 8.0.x
debian / debian_linux 9.0 9.0.x