CVE-2015-7854

Name: CVE-2015-7854
Creator: NVD / NIST
Published: 2017-08-07T20:29:00.917+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 14.56%

Last modified Jun 17, 2026

CVE-2015-7854 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Buffer overflow in the password management functionality in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to cause a denial of service (daemon crash) or possibly execute arbitrary code via a crafted key file.. EPSS estimates a 14.56% chance of exploitation in the next 30 days.

Description

Buffer overflow in the password management functionality in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to cause a denial of service (daemon crash) or possibly execute arbitrary code via a crafted key file.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

14.56%

96.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Ntp	Ntp	>= 4.2.0, < 4.2.8
Ntp	Ntp	>= 4.3.0, < 4.3.77
Ntp	Ntp	4.2.8
Netapp	Oncommand Balance	All versions
Netapp	Oncommand Performance Manager	All versions
Netapp	Oncommand Unified Manager	All versions
Netapp	Clustered Data Ontap	All versions
Netapp	Data Ontap	All versions

References

http://support.ntp.org/bin/view/Main/NtpBug2921Patch, Vendor Advisory
http://www.securityfocus.com/bid/77277Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1033951Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1274263Issue Tracking, Third Party Advisory, VDB Entry
https://security.gentoo.org/glsa/201607-15Third Party Advisory, VDB Entry
https://security.netapp.com/advisory/ntap-20171004-0001/Third Party Advisory
http://support.ntp.org/bin/view/Main/NtpBug2921Patch, Vendor Advisory
http://www.securityfocus.com/bid/77277Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1033951Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1274263Issue Tracking, Third Party Advisory, VDB Entry
https://security.gentoo.org/glsa/201607-15Third Party Advisory, VDB Entry
https://security.netapp.com/advisory/ntap-20171004-0001/Third Party Advisory

Timeline

Published: Aug 7, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-7854?

How severe is CVE-2015-7854?

CVE-2015-7854 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 14.56% probability of exploitation in the next 30 days.

How do I fix CVE-2015-7854?

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-2015-7854?

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

Scan your code now

Source: NVD / NIST