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CVE-2015-7849

8.8 · HIGH
Published Aug 7, 2017 ntp CWE-416 EPSS 16.85% (97th pctl)

Overview

CVE-2015-7849 is a high-severity vulnerability affecting ntp ntp. It was published on August 7, 2017 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical Description

Use-after-free vulnerability in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to possibly execute arbitrary code or cause a denial of service (crash) via crafted packets.

Remediation

Check the references section for vendor advisories and patches from ntp. Update ntp to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
ntp ntp >= 4.2.0, < 4.2.8 Affected

Frequently Asked Questions

What is CVE-2015-7849?

CVE-2015-7849 is a high-severity vulnerability affecting ntp ntp. It was published on August 7, 2017 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2015-7849?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2015-7849?

Check the references section for vendor advisories and patches from ntp. Update ntp to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-7849?

CyberStrike's AI-powered security agents can automatically detect CVE-2015-7849 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.