CVE-2021-0341

Aliases:GHSA-3cqm-mf7h-prrjA-171980069ASB-A-171980069
Advisory lineage Upstream: 0 Downstream: 3
Modified
Published: 10 Feb 2021, 16:50
Last modified:03 Aug 2024, 15:40

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
v3.1 (nvd)
EPSS Score
1.39% LOW
1% probability +0.32%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

10 Feb 2021, 16:50
Published
Vulnerability first disclosed
03 Aug 2024, 15:40
Last Modified
Vulnerability information updated

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

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:P/I:N/A:N

EPSS Trends

Current EPSS score: 1.39%• Percentile: 81%

Techniques & Countermeasures

  • CWE-295•Improper Certificate Validation

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

Affected Systems

  • google•android

    8.1 | 9.0 | 10.0 | 11.0

  • com.squareup.okhttp3•okhttp

    < 4.9.2

References (6)