CRITICAL

CVE-2019-6443

CVSS v3

9.1

CRITICAL

EPSS Score

30.8%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

An issue was discovered in NTPsec before 1.1.3. Because of a bug in ctl_getitem, there is a stack-based buffer over-read in read_sysvars in ntp_control.c in ntpd.

Technical details

Published
1/16/2019

Frequently asked questions

What is CVE-2019-6443?

An issue was discovered in NTPsec before 1.1.3. Because of a bug in ctl_getitem, there is a stack-based buffer over-read in read_sysvars in ntp_control.c in ntpd.

Is CVE-2019-6443 actively exploited?

Active exploitation of CVE-2019-6443 has not been confirmed. The EPSS score is 30.8%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-6443?

CVE-2019-6443 has a CVSS v3 base score of 9.1 (CRITICAL severity).

Is CVE-2019-6443 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.