CVE-2015-5146

Name: CVE-2015-5146
Creator: NVD / NIST
Published: 2017-08-24T20:29:00.313+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.09%

Last modified Jun 17, 2026

CVE-2015-5146 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 4.09% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

4.09%

89.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions	Update
Fedoraproject	Fedora	21	—
Fedoraproject	Fedora	22	—
Fedoraproject	Fedora	23	—
Debian	Debian Linux	7.0	—
Debian	Debian Linux	8.0	—
Ntp	Ntp	<= 4.2.8	P2

References

http://bugs.ntp.org/show_bug.cgi?id=2853Issue Tracking, Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166992.htmlThird Party Advisory
http://support.ntp.org/bin/view/Main/SecurityNotice#March_2017_ntp_4_2_8p10_NTP_SecuVendor Advisory
http://www.debian.org/security/2015/dsa-3388Third Party Advisory
http://www.securityfocus.com/bid/75589Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1034168Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1238136Issue Tracking, Third Party Advisory
https://security.gentoo.org/glsa/201509-01Mitigation, Third Party Advisory, VDB Entry
https://security.netapp.com/advisory/ntap-20180731-0003/
http://bugs.ntp.org/show_bug.cgi?id=2853Issue Tracking, Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166992.htmlThird Party Advisory
http://support.ntp.org/bin/view/Main/SecurityNotice#March_2017_ntp_4_2_8p10_NTP_SecuVendor Advisory
http://www.debian.org/security/2015/dsa-3388Third Party Advisory
http://www.securityfocus.com/bid/75589Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1034168Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1238136Issue Tracking, Third Party Advisory
https://security.gentoo.org/glsa/201509-01Mitigation, Third Party Advisory, VDB Entry
https://security.netapp.com/advisory/ntap-20180731-0003/

Timeline

Published: Aug 24, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-5146?

How severe is CVE-2015-5146?

Severity scoring for CVE-2015-5146 is pending analysis. The EPSS model estimates a 4.09% probability of exploitation in the next 30 days.

How do I fix CVE-2015-5146?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-5146?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST