CVE-2020-27899

CVSS V2 Medium 4.6 CVSS V3 High 7.8
Description
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.2 and iPadOS 14.2, macOS Big Sur 11.0.1, watchOS 7.1, tvOS 14.2. A local attacker may be able to elevate their privileges.
Overview
  • CVE ID
  • CVE-2020-27899
  • Assigner
  • product-security@apple.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-04-02T18:15:15
  • Last Modified Date
  • 2023-01-09T16:41:59
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:o:apple:ipad_os:*:*:*:*:*:*:*:* 1 OR 14.2
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* 1 OR 14.2
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* 1 OR 11.0.1
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:L/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.6
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • 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/HT211931 Vendor Advisory
https://support.apple.com/en-us/HT211930 Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-27899
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27899
History
Created Old Value New Value Data Type Notes
2022-05-10 07:16:59 Added to TrackCVE
2022-12-06 00:55:13 2021-04-02T18:15Z 2021-04-02T18:15:15 CVE Published Date updated
2022-12-06 00:55:13 2021-04-07T16:48:31 CVE Modified Date updated
2022-12-06 00:55:13 Analyzed Vulnerability Status updated
2023-01-09 17:13:22 2023-01-09T16:41:59 CVE Modified Date updated