CVE-2021-1843

Published on: 09/08/2021 12:00:00 AM UTC

Last Modified on: 09/16/2021 05:36:00 PM UTC

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

Certain versions of Ipados from Apple contain the following vulnerability:

This issue was addressed with improved checks. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. Processing a maliciously crafted image may lead to arbitrary code execution.

  • CVE-2021-1843 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 7.8 - HIGH

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

CVSS2 Score: 6.8 - MEDIUM

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

CVE References

Description Tags Link
About the security content of macOS Big Sur 11.3 - Apple Support support.apple.com
text/html
URL Logo MISC support.apple.com/en-us/HT212325
About the security content of watchOS 7.4 - Apple Support support.apple.com
text/html
URL Logo MISC support.apple.com/en-us/HT212324
About the security content of tvOS 14.5 - Apple Support support.apple.com
text/html
URL Logo MISC support.apple.com/en-us/HT212323
About the security content of Security Update 2021-002 Catalina - Apple Support support.apple.com
text/html
URL Logo MISC support.apple.com/en-us/HT212326
About the security content of Security Update 2021-003 Mojave - Apple Support support.apple.com
text/html
URL Logo MISC support.apple.com/en-us/HT212327
About the security content of iOS 14.5 and iPadOS 14.5 - Apple Support support.apple.com
text/html
URL Logo MISC support.apple.com/en-us/HT212317

Related QID Numbers

  • 375503 Apple MacOS Big Sur 11.3 Not Installed (HT212325)
  • 375507 Apple macOS Security Update 2021-002 Catalina (HT212326)
  • 375510 Apple macOS Security Update 2021-003 Mojave (HT212327)
  • 610334 Apple iOS 14.5 and iPadOS 14.5 Security Update Missing (HT212317)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
AppleIpadosAllAllAllAll
Operating
System
AppleIphone OsAllAllAllAll
Operating
System
AppleMacosAllAllAllAll
Operating
System
AppleMac Os X10.14AllAllAll
Operating
System
AppleMac Os X10.14.0AllAllAll
Operating
System
AppleMac Os X10.14.1AllAllAll
Operating
System
AppleMac Os X10.14.2AllAllAll
Operating
System
AppleMac Os X10.14.3AllAllAll
Operating
System
AppleMac Os X10.14.4AllAllAll
Operating
System
AppleMac Os X10.14.4beta4AllAll
Operating
System
AppleMac Os X10.14.5AllAllAll
Operating
System
AppleMac Os X10.14.6AllAllAll
Operating
System
AppleMac Os X10.14.6-AllAll
Operating
System
AppleMac Os X10.14.6security_update_2019-001AllAll
Operating
System
AppleMac Os X10.14.6security_update_2019-002AllAll
Operating
System
AppleMac Os X10.14.6security_update_2019-004AllAll
Operating
System
AppleMac Os X10.14.6security_update_2019-005AllAll
Operating
System
AppleMac Os X10.14.6security_update_2019-006AllAll
Operating
System
AppleMac Os X10.14.6security_update_2019-007AllAll
Operating
System
AppleMac Os X10.14.6security_update_2020-001AllAll
Operating
System
AppleMac Os X10.14.6security_update_2020-002AllAll
Operating
System
AppleMac Os X10.14.6security_update_2020-003AllAll
Operating
System
AppleMac Os X10.14.6security_update_2020-004AllAll
Operating
System
AppleMac Os X10.14.6security_update_2020-005AllAll
Operating
System
AppleMac Os X10.14.6security_update_2020-006AllAll
Operating
System
AppleMac Os X10.14.6security_update_2020-007AllAll
Operating
System
AppleMac Os X10.14.6security_update_2021-001AllAll
Operating
System
AppleMac Os X10.14.6security_update_2021-002AllAll
Operating
System
AppleMac Os X10.15AllAllAll
Operating
System
AppleMac Os X10.15.1AllAllAll
Operating
System
AppleMac Os X10.15.2AllAllAll
Operating
System
AppleMac Os X10.15.3AllAllAll
Operating
System
AppleMac Os X10.15.4AllAllAll
Operating
System
AppleMac Os X10.15.5AllAllAll
Operating
System
AppleMac Os X10.15.6AllAllAll
Operating
System
AppleMac Os X10.15.6-AllAll
Operating
System
AppleMac Os X10.15.6supplemental_updateAllAll
Operating
System
AppleMac Os X10.15.7AllAllAll
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 X10.15.7security_update_2020-005AllAll
Operating
System
AppleMac Os X10.15.7security_update_2020-007AllAll
Operating
System
AppleMac Os X10.15.7security_update_2021-001AllAll
Operating
System
AppleTvosAllAllAllAll
Operating
System
AppleWatchosAllAllAllAll
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.14:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.14.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.14.1:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.14.2:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.14.3:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.14.4:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.14.4:beta4:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.14.5:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.14.6:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-001:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-002:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.1:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.2:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.3:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.4:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.5:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.6:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.6:-:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.6:supplemental_update:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:*:*:*:*:*:*:*:
  • 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:security_update_2020-005:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*:
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*:

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