// For flags

CVE-2021-39623

 

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

In doRead of SimpleDecodingSource.cpp, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-194105348

En la función doRead del archivo SimpleDecodingSource.cpp, se presenta una posible escritura fuera de límites debido a una comprobación de límites incorrecta. Esto podría conllevar a una escalada de privilegios remota sin ser necesarios privilegios de ejecución adicionales. No es requerida una interacción del usuario para su explotación. Producto: Android, Versiones: Android-10 Android-11 Android-12 Android-9, ID de Android: A-194105348

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-08-23 CVE Reserved
  • 2022-01-11 First Exploit
  • 2022-01-14 CVE Published
  • 2024-08-04 CVE Updated
  • 2024-09-29 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-787: Out-of-bounds Write
CAPEC
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
Google
Search vendor "Google"
 Android
Search vendor "Google" for product "Android"
 12.0
Search vendor "Google" for product "Android" and version "12.0"
-
Affected