CVE-2023-4012

moderate-risk
Published 2023-08-07

ntpd will crash if the server is not NTS-enabled (no certificate) and it receives an NTS-enabled client request (mode 3).

Do I need to act?

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0.23% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Ntpsec

References (4)

Issue Tracking https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1038422
Issue Tracking https://gitlab.com/NTPsec/ntpsec/-/issues/794
Issue Tracking https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1038422
Issue Tracking https://gitlab.com/NTPsec/ntpsec/-/issues/794
32
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal