CVE-2019-6443

CRITICAL EXPLOITED NUCLEI

Ntpsec < 1.1.3 - Out-of-Bounds Read

Title source: rule

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.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Magnus Klaaborg Stubman · pythondoslinux
https://www.exploit-db.com/exploits/46175

Nuclei Templates (1)

NTPsec > 1.1.3 - 'ctl_getitem' Out-of-Bounds Read
CRITICALVERIFIEDby pussycat0x,0x_Akoko
Shodan: ntpsec

Scores

CVSS v3 9.1
EPSS 0.4395
EPSS Percentile 97.5%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Details

VulnCheck KEV 2025-10-20
CWE
CWE-125
Status published
Products (1)
ntpsec/ntpsec < 1.1.3
Published Jan 16, 2019
Tracked Since Feb 18, 2026