Vulnerability · Published Apr 12, 2022 · Assigned by google_android
CVE-2021-39796
High 7.3
In plain English
A high-severity security flaw in Android. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).
Severity (CVSS NVD)7.3High
Exploit odds (30 days)0.2%top 93.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
In HarmfulAppWarningActivity of HarmfulAppWarningActivity.java, there is a possible way to trick victim to install harmful app 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: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-205595291
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | android-platform-frameworks-base | no fix listed | DEBIAN-CVE-2021-39796 |
| Debian:13 | android-platform-frameworks-base | no fix listed | DEBIAN-CVE-2021-39796 |
| Debian:14 | android-platform-frameworks-base | no fix listed | DEBIAN-CVE-2021-39796 |
| Ubuntu:22.04:LTS | android-platform-frameworks-base | no fix listed | UBUNTU-CVE-2021-39796 |
| Ubuntu:24.04:LTS | android-platform-frameworks-base | no fix listed | UBUNTU-CVE-2021-39796 |
Affected products (as reported)
References
- https://source.android.com/security/bulletin/2022-04-01 x_refsource_MISC