#VU26241 Resource management error in ntp - CVE-2020-13817 

 

#VU26241 Resource management error in ntp - CVE-2020-13817

Published: March 19, 2020 / Updated: October 29, 2023


Vulnerability identifier: #VU26241
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-13817
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
ntp
Software vendor:
ntp.org

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to ntpd uses highly predictable timestamps that can allow spoofing attack over IPv4 or a denial of service attack. A remote non-authenticated attacker can modify clock on the client NTP server to terminate it.


Remediation

Install updates from vendor's website.

External links