MEDIUM

CVE-2019-6442

CVSS v3

6.5

MEDIUM

EPSS Score

13.7 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2019-6442 yet.

Full record on NVD

Description

An issue was discovered in NTPsec before 1.1.3. An authenticated attacker can write one byte out of bounds in ntpd via a malformed config request, related to config_remotely in ntp_config.c, yyparse in ntp_parser.tab.c, and yyerror in ntp_parser.y.

Technical details

Published: 2019-01-16
Exploit-DB: EDB-46178

Frequently asked questions

What is CVE-2019-6442?

Is CVE-2019-6442 actively exploited?

Active exploitation of CVE-2019-6442 has not been confirmed. Its EPSS score was 13.7% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-6442?

CVE-2019-6442 has a CVSS v3 base score of 6.5 (MEDIUM severity).

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