CVE-2021-1871

Published on: 04/02/2021 12:00:00 AM UTC

Last Modified on: 04/26/2022 05:26:00 PM UTC

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Certain versions of Ipad Os from Apple contain the following vulnerability:

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-2021-1871 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as CRITICAL severity.
  • Affected Vendor/Software: URL Logo Apple - iOS and iPadOS version < 14.4
  • Affected Vendor/Software: URL Logo Apple - macOS version < 11.2

CVSS3 Score: 9.8 - CRITICAL

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH HIGH HIGH

CVSS2 Score: 7.5 - HIGH

Access
Vector
Access
Complexity
Authentication
NETWORK LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
PARTIAL PARTIAL PARTIAL

CVE References

Description Tags Link
About the security content of macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave - Apple Support support.apple.com
text/html
URL Logo MISC support.apple.com/en-us/HT212147
[SECURITY] Fedora 33 Update: webkit2gtk3-2.32.0-1.fc33 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2021-864dc37032
About the security content of iOS 14.4 and iPadOS 14.4 - Apple Support support.apple.com
text/html
URL Logo MISC support.apple.com/en-us/HT212146
Debian -- Security Information -- DSA-4923-1 webkit2gtk www.debian.org
Depreciated Link
text/html
URL Logo DEBIAN DSA-4923

Related QID Numbers

  • 159499 Oracle Enterprise Linux Security Update for GNOME (ELSA-2021-4381)
  • 174960 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2021:1430-1)
  • 174986 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2021:1499-1)
  • 178622 Debian Security Update for webkit2gtk (DSA 4923-1)
  • 178637 Debian Security Update for webkit2gtk (DSA 4923-1)
  • 180022 Debian Security Update for wpewebkitwebkit2gtk (CVE-2021-1871)
  • 198357 Ubuntu Security Notification for WebKitGTK vulnerabilities (USN-4939-1)
  • 239811 Red Hat Update for gnome security (RHSA-2021:4381)
  • 281405 Fedora Security Update for webkit2gtk3 (FEDORA-2021-864dc37032)
  • 281406 Fedora Security Update for webkit2gtk3 (FEDORA-2021-8070916f7a)
  • 501712 Alpine Linux Security Update for webkit2gtk
  • 501940 Alpine Linux Security Update for webkit2gtk
  • 710570 Gentoo Linux WebkitGTK+ Multiple Vulnerabilities (GLSA 202202-01)
  • 750239 OpenSUSE Security Update for webkit2gtk3 (openSUSE-SU-2021:0637-1)
  • 750655 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2021:1990-1)
  • 751623 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2022:0142-1)
  • 751646 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2022:0183-1)
  • 751648 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2022:0182-1)
  • 751659 OpenSUSE Security Update for webkit2gtk3 (openSUSE-SU-2022:0182-1)
  • 751755 OpenSUSE Security Update for webkit2gtk3 (openSUSE-SU-2022:0182-2)
  • 940070 AlmaLinux Security Update for GNOME (ALSA-2021:4381)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
AppleIpad OsAllAllAllAll
Operating
System
AppleIphone OsAllAllAllAll
Operating
System
AppleMacosAllAllAllAll
Operating
System
AppleMac Os XAllAllAllAll
Operating
System
AppleMac Os X10.15.7-AllAll
Operating
System
AppleMac Os X10.15.7security_update_2020AllAll
Operating
System
AppleMac Os X10.15.7security_update_2020-001AllAll
Operating
System
AppleMac Os X10.15.7supplemental_updateAllAll
Operating
System
DebianDebian Linux10.0AllAllAll
Operating
System
FedoraprojectFedora33AllAllAll
  • cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*:
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-1871 : A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2,… twitter.com/i/web/status/1… 2021-04-02 18:53:22
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