CVE-2015-5146

Status: ModifiedMedium (5.3)—
ntpd in ntp before 4.2.8p3 with remote configuration enabled allows remote authenticated users with knowledge of the configuration password and access to a computer entrusted to perform remote configuration to cause a denial of service (service crash) via a NULL byte in a crafted configuration directive packet.
CVSS

Version: 3.0
Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Base score: 5.3
Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 4.91%
Percentile among all scored CVEs: 92
Score date: 10/19/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (3)

Debian — Debian Linux Fedoraproject — Fedora NTP — NTP
CWEs

CWE-20
References

Raw JSON (NVD)

Show
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  "id": "CVE-2015-5146",
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  "lastModified": "2026-06-17T00:28:33.280",
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