Vulnerability · Published Feb 10, 2021 · Assigned by google_android

CVE-2021-0341

High 7.5

In plain English

A high-severity security flaw in Android. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.5High
Exploit odds (30 days)0.9%top 39.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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 packages & fixed versions

EcosystemPackageFixed inAdvisory
Mavencom.squareup.okhttp3:okhttp4.9.2GHSA-3cqm-mf7h-prrj

Affected products (as reported)

VendorProductVersions
n/a Android Android-8.1 Android-9 Android-10 Android-11

References