What’s Vulnerable › Vulnerabilities

CVE-2021-0341

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-02-10 · updated 2026-06-17
• Weakness: CWE-295

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 products

• Android: 8.1, 9.0, 10.0, 11.0

References

• https://source.android.com/security/bulletin/2021-02-01
• https://source.android.com/security/bulletin/2021-02-01

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