CVE-2021-0476
Severity Score
7.0
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
In FindOrCreatePeer of btif_av.cc, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-9 Android-10Android ID: A-169252501
En la función FindOrCreatePeer del archivo btif_av.cc, se presenta un uso de la memoria previamente liberada debido a una condición de carrera. Esto podría conllevar a una escalada de privilegios local sin ser necesarios privilegios de ejecución adicionales. No es requerida una interacción del usuario para su explotación. Producto: Android, Versiones: Android-11 Android-9 Android-10, ID de Android: A-169252501
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-11-06 CVE Reserved
- 2021-06-11 CVE Published
- 2023-03-08 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CAPEC
References (1)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://source.android.com/security/bulletin/2021-05-01 | 2022-06-28 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Google Search vendor "Google" | Android Search vendor "Google" for product "Android" | 9.0 Search vendor "Google" for product "Android" and version "9.0" | - |
Affected
| ||||||
| Google Search vendor "Google" | Android Search vendor "Google" for product "Android" | 10.0 Search vendor "Google" for product "Android" and version "10.0" | - |
Affected
| ||||||
| Google Search vendor "Google" | Android Search vendor "Google" for product "Android" | 11.0 Search vendor "Google" for product "Android" and version "11.0" | - |
Affected
| ||||||