SEPTEMBER 19, 2026
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Case File

CVE-2019-6443

CRITICAL · CVSS 9.1 EPSS 66.88% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-01-16 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.1. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 66.9% probability of exploitation in the next 30 days.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
External Security References

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2019-6443
Severity
CRITICAL
CVSS
9.1
EPSS
66.88%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)