CVE-2015-8139: Medium severity NTP ntp vulnerability

Published Jan 30, 2017
·
Updated

ntpq in NTP before 4.2.8p7 allows remote attackers to obtain origin timestamps and then impersonate peers via unspecified vectors.

Affected Software

1 affected component
NTP ntp<=4.2.8

Event History

Jan 30, 2017
CVE Published
via MITRE·09:00 PM
Data Sourced
via MITRE·09:00 PM
Description
Data Sourced
via NVD·09:59 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2015-8139?

CVE-2015-8139 is considered a high-severity vulnerability as it allows remote attackers to exploit the NTP service.

2

How do I fix CVE-2015-8139?

To fix CVE-2015-8139, upgrade NTP to version 4.2.8p8 or later, which addresses this vulnerability.

3

What types of attacks can be performed using CVE-2015-8139?

Using CVE-2015-8139, attackers can obtain origin timestamps to impersonate legitimate NTP peers.

4

Which software versions are affected by CVE-2015-8139?

CVE-2015-8139 affects NTP versions prior to 4.2.8p7, including earlier versions.

5

Is there a workaround for CVE-2015-8139?

While upgrading is the best solution for CVE-2015-8139, temporarily restricting access to the NTP service can serve as a workaround.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203