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Linux Distros Unpatched Vulnerability : CVE-2021-1870

critical Nessus Plugin ID 223608

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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 logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.. (CVE-2021-1870)

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-2021-1870

https://ubuntu.com/security/CVE-2021-1870

Plugin Details

Severity: Critical

ID: 223608

File Name: unpatched_CVE_2021_1870.nasl

Version: 1.3

Type: local

Agent: unix

Family: Misc.

Published: 3/4/2025

Updated: 9/2/2025

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

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.2

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

CVSS Score Source: CVE-2021-1870

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:wpewebkit, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:redhat:enterprise_linux:webkitgtk3-doc, cpe:/o:redhat:enterprise_linux:6, p-cpe:/a:centos:centos:webkitgtk3-devel, p-cpe:/a:redhat:enterprise_linux:webkitgtk, p-cpe:/a:redhat:enterprise_linux:libwebkit2gtk, p-cpe:/a:canonical:ubuntu_linux:webkit2gtk, p-cpe:/a:canonical:ubuntu_linux:webkitgtk, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:centos:centos:webkitgtk-devel, p-cpe:/a:centos:centos:webkitgtk3, p-cpe:/a:redhat:enterprise_linux:webkitgtk3-devel, p-cpe:/a:centos:centos:webkitgtk, p-cpe:/a:centos:centos:webkitgtk-doc, p-cpe:/a:redhat:enterprise_linux:webkitgtk-doc, cpe:/o:centos:centos:7, p-cpe:/a:centos:centos:libwebkit2gtk, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:canonical:ubuntu_linux:qtwebkit-source, p-cpe:/a:redhat:enterprise_linux:webkitgtk-devel, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:qtwebkit-opensource-src, p-cpe:/a:centos:centos:webkitgtk3-doc, p-cpe:/a:redhat:enterprise_linux:webkitgtk3

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

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 2/4/2021

CISA Known Exploited Vulnerability Due Dates: 11/17/2021

Reference Information

CVE: CVE-2021-1870