CVE-2021-23214

Description

When the server is configured to use trust authentication with a clientcert requirement or to use cert authentication, a man-in-the-middle attacker can inject arbitrary SQL queries when a connection is first established, despite the use of SSL certificate verification and encryption.

How to fix CVE-2021-23214

To remediate CVE-2021-23214, upgrade the affected package to a fixed version below.

—upgrade to 12.9-r0 or later
—upgrade to 13.5-r0 or later
—upgrade to 14.1-r0 or later
—upgrade to 14.1-r0 or later
—upgrade to 9.6.24 or later
—upgrade to 11.14-0+deb10u1 or later
—upgrade to 13.5-0+deb11u1 or later
—upgrade to 13.5-0+deb11u1 or later
—upgrade to 9.6.24-0+deb9u1 or later

Is CVE-2021-23214 being exploited?

Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.

Affected packages (9)

from 0, < 12.9-r0
from 0, < 13.5-r0
from 0, < 14.1-r0
from 0, < 14.1-r0
from 0, < 9.6.24, >= 10.0.0, < 10.19.0, >= 11.0.0, < 11.14.0, >= 12.0.0, < 12.9.0, >= 13.0.0, < 13.5.0, >= 14.0.0, < 14.0.1
from 0, < 11.14-0+deb10u1
from 0, < 13.5-0+deb11u1
from 0, < 13.5-0+deb11u1
from 0, < 9.6.24-0+deb9u1

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	HIGH8.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H