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CVE-2021-0933

HIGH

8

CVSS Score

Published: December 15, 2021 at 06:05 PM UTC

Updated: June 17, 2026 at 03:30 AM UTC

1 product affected across 1 vendorAndroid

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Severity

HIGH8

Exploit prediction

EPSS 0.4%

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Android · Google

95%

10.0 11.0 12.0 9.0 Android-10 Android-11 Android-12 Android-9

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://source.android.com/security/bulletin/2021-11-01

References (1)

x_refsource_MISCVendor Advisory

Source: [email protected]

https://source.android.com/security/bulletin/2021-11-01

CVSS

8HIGH[email protected]

Attack Vector: ADJACENT_NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: REQUIRED
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-20CWE-116

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