CVE-2021-39794
In broadcastPortInfo of AdbService.java, there is a possible way for apps to run code as the shell user, if wireless debugging is enabled, due to a missing permission check.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In broadcastPortInfo of AdbService.java, there is a possible way for apps to run code as the shell user, if wireless debugging is enabled, due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12LAndroid ID: A-205836329
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.35% probability · 29th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-276
- Affected
- google/android
- Source
- security@android.com
References
- https://source.android.com/security/bulletin/2022-04-01Vendor Advisory
- https://source.android.com/security/bulletin/2022-04-01Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.