Detections
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Linux Distros Unpatched Vulnerability : CVE-2021-4231

medium Nessus Plugin ID 224210

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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.

 - A vulnerability was found in Angular up to 11.0.4/11.1.0-next.2. It has been classified as problematic.
 Affected is the handling of comments. The manipulation leads to cross site scripting. It is possible to launch the attack remotely but it might require an authentication first. Upgrading to version 11.0.5 and 11.1.0-next.3 is able to address this issue. The name of the patch is ba8da742e3b243e8f43d4c63aa842b44e14f2b09. It is recommended to upgrade the affected component.
 (CVE-2021-4231)

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-2021-4231

Plugin Details

Severity: Medium

ID: 224210

File Name: unpatched_CVE_2021_4231.nasl

Version: 1.4

Type: local

Agent: unix

Family: Misc.

Published: 3/5/2025

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: Low

Score: 3.0

CVSS v2

Risk Factor: Low

Base Score: 3.5

Temporal Score: 2.6

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

CVSS Score Source: CVE-2021-4231

CVSS v3

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

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

Vulnerability Information

CPE: p-cpe:/a:centos:centos:thunderbird, p-cpe:/a:centos:centos:firefox, p-cpe:/a:redhat:enterprise_linux:firefox, p-cpe:/a:redhat:enterprise_linux:thunderbird, p-cpe:/a:redhat:enterprise_linux:aspnetcore-targeting-pack-3.1, p-cpe:/a:redhat:enterprise_linux:dotnet-apphost-pack-3.1, p-cpe:/a:redhat:enterprise_linux:dotnet-host, p-cpe:/a:redhat:enterprise_linux:dotnet-runtime-3.1, p-cpe:/a:redhat:enterprise_linux:dotnet-sdk-3.1, p-cpe:/a:redhat:enterprise_linux:dotnet-targeting-pack-3.1, p-cpe:/a:redhat:enterprise_linux:netstandard-targeting-pack-2.1, p-cpe:/a:redhat:enterprise_linux:mozjs60, p-cpe:/a:redhat:enterprise_linux:mozjs60-devel, p-cpe:/a:centos:centos:dotnet-host, p-cpe:/a:centos:centos:netstandard-targeting-pack-2.1, p-cpe:/a:centos:centos:mozjs60, p-cpe:/a:centos:centos:mozjs60-devel, p-cpe:/a:centos:centos:aspnetcore-targeting-pack-3.1, p-cpe:/a:centos:centos:dotnet-apphost-pack-3.1, p-cpe:/a:centos:centos:dotnet-runtime-3.1, p-cpe:/a:centos:centos:dotnet-sdk-3.1, p-cpe:/a:centos:centos:dotnet-targeting-pack-3.1, p-cpe:/a:redhat:enterprise_linux:dotnet-sdk-3.1-source-built-artifacts, p-cpe:/a:redhat:enterprise_linux:firefox-x11, p-cpe:/a:centos:centos:firefox-x11, p-cpe:/a:centos:centos:dotnet-sdk-3.1-source-built-artifacts, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:centos:centos:gjs, p-cpe:/a:centos:centos:gjs-devel, p-cpe:/a:redhat:enterprise_linux:aspnetcore-runtime-3.1, p-cpe:/a:redhat:enterprise_linux:dotnet, p-cpe:/a:redhat:enterprise_linux:dotnet-hostfxr-3.1, p-cpe:/a:redhat:enterprise_linux:dotnet-templates-3.1, p-cpe:/a:redhat:enterprise_linux:gjs, p-cpe:/a:redhat:enterprise_linux:gjs-devel, cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:dotnet, p-cpe:/a:centos:centos:aspnetcore-runtime-3.1, p-cpe:/a:centos:centos:dotnet-hostfxr-3.1, p-cpe:/a:centos:centos:dotnet-templates-3.1, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:dotnet3.1, p-cpe:/a:centos:centos:dotnet3.1

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: 5/26/2022

Reference Information

CVE: CVE-2021-4231