CVE-2021-0315

HIGH

Android 8.0-11 - Tapjacking/Overlay Attack via GrantCredentialsPermissionActivity

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 3 public exploits for CVE-2021-0315. PoCs published by nanopathi, pazhanivel07.

AI-analyzed exploit summary This repository contains performance test cases for Android's autofill framework, specifically targeting CVE-2021-0315. The code includes test cases for autofill functionality but does not contain an actual exploit or proof-of-concept for the vulnerability.

Description

In onCreate of GrantCredentialsPermissionActivity.java, there is a possible way to convince the user to grant an app access to an account due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-8.1, Android-9, Android-10, Android-11, Android-8.0; Android ID: A-169763814.

Exploits (3)

nomisec WRITEUP
by nanopathi · poc
https://github.com/nanopathi/frameworks_base1_CVE-2021-0315

This repository contains performance test cases for Android's autofill framework, specifically targeting CVE-2021-0315. The code includes test cases for autofill functionality but does not contain an actual exploit or proof-of-concept for the vulnerability.

Classification
Writeup 90%
Attack Type
Other
Complexity
Moderate
Reliability
Theoretical
Target: Android Autofill Framework
No auth needed
Prerequisites: Android device with autofill framework
devstral-2 · analyzed Feb 18, 2026 Full analysis →
nomisec WORKING POC
by pazhanivel07 · poc
https://github.com/pazhanivel07/frameworks_base_Aosp10_r33_CVE-2021-0315

This repository contains functional exploit code for CVE-2021-0315, targeting Android's autofill service. The code includes test cases that manipulate autofill behavior, demonstrating the vulnerability through controlled interactions with the AutofillManager.

Classification
Working Poc 90%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: Android (AOSP 10 r33)
No auth needed
Prerequisites: Access to an Android device with the vulnerable autofill service
devstral-2 · analyzed Feb 18, 2026 Full analysis →
nomisec WRITEUP
by nanopathi · poc
https://github.com/nanopathi/framework_base_AOSP10_r33_CVE-2021-0315

This repository contains performance test cases for Android's autofill framework, specifically targeting CVE-2021-0315. The code includes test cases for autofill functionality but does not contain an actual exploit or malicious payload.

Classification
Writeup 90%
Attack Type
Other
Complexity
Moderate
Reliability
Theoretical
Target: Android Autofill Framework (AOSP10_r33)
No auth needed
Prerequisites: Android device with autofill framework · Test environment setup
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (1)

Core 1
Core References
Patch, Vendor Advisory x_refsource_confirm
https://source.android.com/security/bulletin/2021-01-01

Scores

CVSS v3 7.3
EPSS 0.0028
EPSS Percentile 19.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-1021
Status published
Products (5)
google/android 8.0
google/android 8.1
google/android 9.0
google/android 10.0
google/android 11.0
Published Jan 11, 2021
Tracked Since Feb 18, 2026