Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2020-13817

ntpd in ntp before 4.2.8p14 and 4.3.x before 4.3.100 allows remote attackers to cause a denial of service (daemon exit or system time change) by predicting transmit timestamps for use in spoofed packets. The victim must be relying on unauthenticated IPv4 time sources. There must be an off-path attacker who can query time from the victim's ntpd instance.

  • Published: Jun 4, 2020
  • Updated: Apr 13, 2023
  • CVE: CVE-2020-13817
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.4
  • AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H

CVSS v2:

  • Severity: Medium
  • Score: 5.8
  • AV:N/AC:M/Au:N/C:N/I:P/A:P

CWEs:

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-p9 4.2.8-p9.x
ntp / ntp 4.2.8-p4 4.2.8-p4.x
ntp / ntp 4.2.8-p7 4.2.8-p7.x
ntp / ntp 4.2.8-p8 4.2.8-p8.x
ntp / ntp 4.2.8-p6 4.2.8-p6.x
ntp / ntp 4.2.8-p1 4.2.8-p1.x
ntp / ntp 4.2.8-p10 4.2.8-p10.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-p11 4.2.8-p11.x
ntp / ntp 4.2.8-p12 4.2.8-p12.x
ntp / ntp 4.2.8-p13 4.2.8-p13.x
ntp / ntp 4.3.0 4.3.100
ntp / ntp 4.2.8 4.2.8.x
ntp / ntp - 4.2.8
opensuse / leap 15.1 15.1.x
opensuse / leap 15.2 15.2.x
fujitsu / m10-1_firmware - xcp2410
fujitsu / m10-4_firmware - xcp2410
fujitsu / m10-4s_firmware - xcp2410
fujitsu / m12-1_firmware - xcp2410
fujitsu / m12-2_firmware - xcp2410
fujitsu / m12-2s_firmware - xcp2410
fujitsu / m10-4_firmware - xcp3110
fujitsu / m10-4s_firmware - xcp3110
fujitsu / m12-1_firmware - xcp3110
fujitsu / m12-2_firmware - xcp3110
fujitsu / m12-2s_firmware - xcp3110