CVE-2021-0319

CVSS V2 Medium 4.4 CVSS V3 High 7.3
Description
In checkCallerIsSystemOr of CompanionDeviceManagerService.java, there is a possible way to get a nearby Bluetooth device's MAC address without appropriate permissions due to a permissions bypass. This could lead to local escalation of privilege that grants access to nearby MAC addresses, with User execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-8.0, Android-8.1, Android-9, Android-10, Android-11; Android ID: A-167244818.
Overview
  • CVE ID
  • CVE-2021-0319
  • Assigner
  • security@android.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-01-11T22:15:13
  • Last Modified Date
  • 2021-01-13T16:45:29
Weakness Enumerations
CWE URL
CWE-863 http://cwe.mitre.org/data/definitions/863.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:google:android:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.4
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.3
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.3
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://source.android.com/security/bulletin/2021-01-01 Patch Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-0319
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0319
History
Created Old Value New Value Data Type Notes
2022-05-10 07:27:25 Added to TrackCVE
2022-12-05 19:46:08 2021-01-11T22:15Z 2021-01-11T22:15:13 CVE Published Date updated
2022-12-05 19:46:08 2021-01-13T16:45:29 CVE Modified Date updated
2022-12-05 19:46:08 Analyzed Vulnerability Status updated