CVE Vulnerabilities

CVE-2021-1871

Published: Apr 02, 2021 | Modified: May 16, 2024
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
9.8 MODERATE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Ubuntu
MEDIUM

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..

Affected Software

Name Vendor Start Version End Version
Ipad_os Apple * 14.4 (excluding)
Iphone_os Apple * 14.4 (excluding)
Mac_os_x Apple 10.15 (including) 10.15.7 (excluding)
Mac_os_x Apple 10.15.7 (including) 10.15.7 (including)
Mac_os_x Apple 10.15.7-security_update_2020 (including) 10.15.7-security_update_2020 (including)
Mac_os_x Apple 10.15.7-supplemental_update (including) 10.15.7-supplemental_update (including)
Macos Apple 11.0.1 (including) 11.2 (excluding)
Red Hat Enterprise Linux 8 RedHat webkit2gtk3-0:2.32.3-2.el8 *
Qtwebkit-opensource-src Ubuntu bionic *
Qtwebkit-opensource-src Ubuntu devel *
Qtwebkit-opensource-src Ubuntu esm-apps/bionic *
Qtwebkit-opensource-src Ubuntu esm-apps/focal *
Qtwebkit-opensource-src Ubuntu esm-apps/jammy *
Qtwebkit-opensource-src Ubuntu esm-apps/noble *
Qtwebkit-opensource-src Ubuntu esm-infra/xenial *
Qtwebkit-opensource-src Ubuntu focal *
Qtwebkit-opensource-src Ubuntu groovy *
Qtwebkit-opensource-src Ubuntu hirsute *
Qtwebkit-opensource-src Ubuntu impish *
Qtwebkit-opensource-src Ubuntu jammy *
Qtwebkit-opensource-src Ubuntu kinetic *
Qtwebkit-opensource-src Ubuntu lunar *
Qtwebkit-opensource-src Ubuntu mantic *
Qtwebkit-opensource-src Ubuntu noble *
Qtwebkit-opensource-src Ubuntu trusty *
Qtwebkit-opensource-src Ubuntu upstream *
Qtwebkit-opensource-src Ubuntu xenial *
Qtwebkit-source Ubuntu bionic *
Qtwebkit-source Ubuntu esm-apps/bionic *
Qtwebkit-source Ubuntu esm-apps/xenial *
Qtwebkit-source Ubuntu trusty *
Qtwebkit-source Ubuntu xenial *
Webkit2gtk Ubuntu bionic *
Webkit2gtk Ubuntu devel *
Webkit2gtk Ubuntu esm-infra/xenial *
Webkit2gtk Ubuntu focal *
Webkit2gtk Ubuntu groovy *
Webkit2gtk Ubuntu hirsute *
Webkit2gtk Ubuntu impish *
Webkit2gtk Ubuntu jammy *
Webkit2gtk Ubuntu kinetic *
Webkit2gtk Ubuntu lunar *
Webkit2gtk Ubuntu mantic *
Webkit2gtk Ubuntu noble *
Webkit2gtk Ubuntu upstream *
Webkit2gtk Ubuntu xenial *
Webkitgtk Ubuntu bionic *
Webkitgtk Ubuntu esm-apps/bionic *
Webkitgtk Ubuntu esm-apps/xenial *
Webkitgtk Ubuntu trusty *
Webkitgtk Ubuntu xenial *
Wpewebkit Ubuntu esm-apps/focal *
Wpewebkit Ubuntu esm-apps/jammy *
Wpewebkit Ubuntu focal *
Wpewebkit Ubuntu groovy *
Wpewebkit Ubuntu hirsute *
Wpewebkit Ubuntu impish *
Wpewebkit Ubuntu jammy *
Wpewebkit Ubuntu trusty *
Wpewebkit Ubuntu upstream *

References