CVE Vulnerabilities

CVE-2021-0341

Improper Certificate Validation

Published: Feb 10, 2021 | Modified: Feb 12, 2021
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N
RedHat/V2
RedHat/V3
Ubuntu

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

Weakness

The product does not validate, or incorrectly validates, a certificate.

Affected Software

Name Vendor Start Version End Version
Android Google 8.1 (including) 8.1 (including)
Android Google 9.0 (including) 9.0 (including)
Android Google 10.0 (including) 10.0 (including)
Android Google 11.0 (including) 11.0 (including)

Potential Mitigations

References