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[email protected]CVE-2021-0341

HistoryFeb 10, 2021 - 5:15 p.m.

CVE-2021-0341

2021-02-1017:15:22

CWE-295

[email protected]

web.nvd.nist.gov

android

okhostnameverifier.java

improperly used crypto

remote information disclosure

cve-2021-0341

nvd

security vulnerability

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

6.9 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

37.8%

JSON

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

Affected configurations

NVD

Node

googleandroidMatch8.1

googleandroidMatch9.0

googleandroidMatch10.0

googleandroidMatch11.0

CPENameOperatorVersion
google:androidgoogle androideq8.1
google:androidgoogle androideq9.0
google:androidgoogle androideq10.0
google:androidgoogle androideq11.0

CPE	Name	Operator	Version
google:android	google android	eq	8.1
google:android	google android	eq	9.0
google:android	google android	eq	10.0
google:android	google android	eq	11.0

CNA Affected

[
  {
    "product": "Android",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Android-8.1 Android-9 Android-10 Android-11"
      }
    ]
  }
]