Detections
Analytics

Linux Distros Unpatched Vulnerability : CVE-2021-23214

high Nessus Plugin ID 223651

Language:

Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

 - 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. (CVE-2021-23214)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

See Also

https://access.redhat.com/security/cve/cve-2021-23214

https://ubuntu.com/security/CVE-2021-23214

Plugin Details

Severity: High

ID: 223651

File Name: unpatched_CVE_2021_23214.nasl

Version: 1.3

Type: local

Agent: unix

Family: Misc.

Published: 3/4/2025

Updated: 9/14/2025

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 5.1

Temporal Score: 3.8

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2021-23214

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:centos:centos:postgresql-plperl, p-cpe:/a:redhat:enterprise_linux:postgresql-plperl, p-cpe:/a:redhat:enterprise_linux:pgaudit, p-cpe:/a:centos:centos:pgaudit, p-cpe:/a:redhat:enterprise_linux:postgresql-private-devel, p-cpe:/a:centos:centos:postgresql-private-devel, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:centos:centos:postgresql-contrib, p-cpe:/a:centos:centos:postgresql-docs, p-cpe:/a:centos:centos:postgresql-server, p-cpe:/a:centos:centos:postgresql-test, p-cpe:/a:centos:centos:postgresql-pltcl, p-cpe:/a:centos:centos:postgresql-upgrade, p-cpe:/a:centos:centos:postgresql-static, p-cpe:/a:redhat:enterprise_linux:postgresql-contrib, p-cpe:/a:redhat:enterprise_linux:postgresql-docs, p-cpe:/a:redhat:enterprise_linux:postgresql-server, p-cpe:/a:redhat:enterprise_linux:postgresql-test, p-cpe:/a:redhat:enterprise_linux:postgresql-pltcl, p-cpe:/a:redhat:enterprise_linux:postgresql-upgrade, p-cpe:/a:redhat:enterprise_linux:postgresql-plpython3, p-cpe:/a:redhat:enterprise_linux:postgresql-server-devel, p-cpe:/a:redhat:enterprise_linux:postgresql-static, p-cpe:/a:redhat:enterprise_linux:postgresql-test-rpm-macros, p-cpe:/a:redhat:enterprise_linux:postgresql-upgrade-devel, p-cpe:/a:canonical:ubuntu_linux:postgresql-9.3, p-cpe:/a:redhat:enterprise_linux:postgres-decoderbufs, cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:postgresql-plpython3, p-cpe:/a:centos:centos:postgresql-server-devel, p-cpe:/a:centos:centos:postgresql-test-rpm-macros, p-cpe:/a:centos:centos:postgresql-upgrade-devel, p-cpe:/a:centos:centos:postgres-decoderbufs, p-cpe:/a:centos:centos:pg_repack, p-cpe:/a:redhat:enterprise_linux:pg_repack, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:redhat:enterprise_linux:postgresql-private-libs, p-cpe:/a:centos:centos:postgresql-private-libs

Required KB Items: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 11/11/2021

Reference Information

CVE: CVE-2021-23214