CVE-2021-30919

CVSS V2 Medium 6.8 CVSS V3 High 7.8
Description
An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. Processing a maliciously crafted PDF may lead to arbitrary code execution.
Overview
  • CVE ID
  • CVE-2021-30919
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-08-24T19:15:19
  • Last Modified Date
  • 2023-01-09T16:41:59
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* 1 OR 14.8.1
cpe:2.3:o:apple:ipad_os:15.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* 1 OR 14.8.1
cpe:2.3:o:apple:iphone_os:15.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* 1 OR 10.15.7
cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-005:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-006:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* 1 OR 11.0 11.6.1
cpe:2.3:o:apple:macos:12.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* 1 OR 15.1
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* 1 OR 8.1
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://support.apple.com/en-us/HT212876 Vendor Advisory
https://support.apple.com/en-us/HT212874 Vendor Advisory
https://support.apple.com/en-us/HT212868 Vendor Advisory
https://support.apple.com/en-us/HT212869 Vendor Advisory
https://support.apple.com/en-us/HT212867 Vendor Advisory
https://support.apple.com/en-us/HT212871 Vendor Advisory
https://support.apple.com/en-us/HT212872 Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-357/ Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-30919
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30919
History
Created Old Value New Value Data Type Notes
2022-05-10 15:47:16 Added to TrackCVE
2022-12-05 08:55:42 2021-08-24T19:15Z 2021-08-24T19:15:19 CVE Published Date updated
2022-12-05 08:55:42 2022-03-04T21:43:05 CVE Modified Date updated
2022-12-05 08:55:42 Analyzed Vulnerability Status updated
2023-01-09 17:14:10 2023-01-09T16:41:59 CVE Modified Date updated