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CVE-2020-14312

5.9 · MEDIUM
Published Feb 6, 2021 fedoraproject CWE-284 EPSS 1.23% (66th pctl)

Overview

CVE-2020-14312 is a medium-severity vulnerability affecting fedoraproject fedora. It was published on February 6, 2021 and has a CVSS 3.1 base score of 5.9 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

A flaw was found in the default configuration of dnsmasq, as shipped with Fedora versions prior to 31 and in all versions Red Hat Enterprise Linux, where it listens on any interface and accepts queries from addresses outside of its local subnet. In particular, the option `local-service` is not enabled. Running dnsmasq in this manner may inadvertently make it an open resolver accessible from any address on the internet. This flaw allows an attacker to conduct a Distributed Denial of Service (DDoS) against other systems.

Remediation

Check the references section for vendor advisories and patches from fedoraproject. Update fedora 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
fedoraproject fedora >= 0, < 31 Affected

Frequently Asked Questions

What is CVE-2020-14312?

CVE-2020-14312 is a medium-severity vulnerability affecting fedoraproject fedora. It was published on February 6, 2021 and has a CVSS 3.1 base score of 5.9 (MEDIUM).

How severe is CVE-2020-14312?

This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2020-14312?

Check the references section for vendor advisories and patches from fedoraproject. Update fedora 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-2020-14312?

CyberStrike's AI-powered security agents can automatically detect CVE-2020-14312 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.