Improper input validation in Google Android

CVE-2021-0933

In onCreate of CompanionDeviceActivity.java or DeviceChooserActivity.java, there is a possible way for HTML tags to interfere with a consent dialog due to improper input validation. This could lead to remote escalation of privilege, confusing the user into accepting pairing of a malicious Bluetooth device, with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-172251622

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (29.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-0933: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

  • Google Android — versions 9.0, 10.0, 11.0
  • Android — versions Android-10 Android-11 Android-12 Android-9

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-0933?
CVE-2021-0933 is a high-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 8.0/10. Published 2021-12-15.
How severe is CVE-2021-0933?
High severity. CVSS v3 base score is 8.0 out of 10.