CVE-2020-27917

CVSS V2 High 9.3 CVSS V3 High 7.8
Description
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, tvOS 14.2, iTunes 12.11 for Windows. Processing maliciously crafted web content may lead to code execution.
Overview
  • CVE ID
  • CVE-2020-27917
  • Assigner
  • product-security@apple.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-12-08T21:15:13
  • Last Modified Date
  • 2021-03-10T14:54:16
Weakness Enumerations
CWE URL
CWE-416 http://cwe.mitre.org/data/definitions/416.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* 1 OR 11.5
cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* 1 OR 12.11
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* 1 OR 14.2
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* 1 OR 14.2
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* 1 OR 11.0 11.0.1
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* 1 OR 14.2
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* 1 OR 7.1
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:C/I:C/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 9.3
  • Severity
  • HIGH
  • Exploitability Score
  • 8.6
  • Impact Score
  • 10
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/HT211929 Vendor Advisory
https://support.apple.com/en-us/HT211928 Vendor Advisory
https://support.apple.com/en-us/HT211935 Vendor Advisory
https://support.apple.com/en-us/HT211931 Vendor Advisory
https://support.apple.com/en-us/HT211933 Vendor Advisory
https://support.apple.com/en-us/HT211930 Vendor Advisory
http://seclists.org/fulldisclosure/2020/Dec/32 Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-27917
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27917
History
Created Old Value New Value Data Type Notes
2022-05-10 07:20:26 Added to TrackCVE
2022-12-05 17:45:51 2020-12-08T21:15Z 2020-12-08T21:15:13 CVE Published Date updated
2022-12-05 17:45:51 2021-03-10T14:54:16 CVE Modified Date updated
2022-12-05 17:45:51 Analyzed Vulnerability Status updated