CVE-2021-0429

CVSS V2 Medium 4.6 CVSS V3 High 7.8
Description
In pollOnce of ALooper.cpp, there is possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-175074139
Overview
  • CVE ID
  • CVE-2021-0429
  • Assigner
  • security@android.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-04-13T19:15:12
  • Last Modified Date
  • 2021-04-16T16:19:46
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: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: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://source.android.com/security/bulletin/2021-04-01 Patch Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-0429
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0429
History
Created Old Value New Value Data Type Notes
2022-05-10 07:15:35 Added to TrackCVE
2022-12-06 01:41:17 2021-04-13T19:15Z 2021-04-13T19:15:12 CVE Published Date updated
2022-12-06 01:41:17 2021-04-16T16:19:46 CVE Modified Date updated
2022-12-06 01:41:17 Analyzed Vulnerability Status updated