CVE-2021-23214
postgresql: server processes unencrypted bytes from man-in-the-middle
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · November 11, 2021
Updated · November 1, 2026
Description
It was found that a PostgreSQL server could accept plain text data during the establishment of an SSL connection. When a user is requesting a certificate based authentication, an active Person in the Middle could use this flaw in order to inject arbitrary SQL commands.
Statement
In Red Hat Virtualization the manager appliance uses a vulnerable version of postgresql. Once a fix has been shipped for RHEL 8 the appliance can consume the fix via a regular yum update.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-89 · Improper Neutralization of Special Elements used in an SQL Command