What is CVE-2020-14312?

CVE-2020-14312 is a medium-severity vulnerability in Fedoraproject Fedora, classified under Improper Access Control. CVSS score: 5.9/10. Published 2021-02-06.

How severe is CVE-2020-14312?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Fedoraproject Fedora

CVE-2020-14312

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.

EPSS: 0.012 (65.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Fedoraproject Fedora
N/a Dnsmasq — versions Fedora version prior to 31, all RHEL versions

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

secalert@redhat.com (Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2020-14312?: CVE-2020-14312 is a medium-severity vulnerability in Fedoraproject Fedora, classified under Improper Access Control. CVSS score: 5.9/10. Published 2021-02-06.
How severe is CVE-2020-14312?: Medium severity. CVSS v3 base score is 5.9 out of 10.