// For flags

CVE-2021-0341

okhttp: information disclosure via improperly used cryptographic function

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

In verifyHostName of OkHostnameVerifier.java, there is a possible way to accept a certificate for the wrong domain due to improperly used crypto. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-11Android ID: A-171980069

En la función verifyHostName del archivo OkHostnameVerifier.java, existe una forma posible de aceptar un certificado para el dominio incorrecto debido a un uso de criptografía inapropiada. Esto podría conllevar a una divulgación de información remota sin ser necesarios privilegios de ejecución adicionales. No es requerida una interacción del usuario para su explotación. Producto: Android, Versiones: Android-8.1 Android-9 Android-10 Android-11, ID de Android: A-171980069

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-11-06 CVE Reserved
  • 2021-02-10 CVE Published
  • 2024-02-14 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-295: Improper Certificate Validation
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"
8.1
Search vendor "Google" for product "Android" and version "8.1"
-
Affected
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