CVE-2021-1018
In adjustStreamVolume of AudioService.java, there is a possible way to determine whether an app...
CVE-2021-1018 is a low vulnerability (CVSS 3.3) in Google Android, published December 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.11%, the 1st percentile. Fixed in platform/frameworks/base 12:2021-12-01.
- Severity
- 3.3 LowCVSS 3.1, NVD
- Exploit chance
- 0.11%EPSS, 1st percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
12:2021-12-01platform/frameworks/base
Description
In adjustStreamVolume of AudioService.java, there is a possible way to determine whether an app is installed, without query permissions, due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-194110891
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/frameworks/baseAndroid | 12:0 up to 12:2021-12-01, plus listed versions 12 | 12:2021-12-01 |
What each source reports
NVD Score used
In adjustStreamVolume of AudioService.java, there is a possible way to determine whether an app is installed, without query permissions, due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-194110891
- Record
CVE-2021-1018- CVSS 3.1
- 3.3 Low
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-203
- Updated
- 2026-11-02
CVE ListNo score
In adjustStreamVolume of AudioService.java, there is a possible way to determine whether an app is installed, without query permissions, due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-194110891
- Record
CVE-2021-1018- Updated
- 2026-11-02
EUVDEUVD-2021-6485No score
In adjustStreamVolume of AudioService.java, there is a possible way to determine whether an app is installed, without query permissions, due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-194110891
- Record
EUVD-2021-6485- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r5v3-6r2m-ww8fNo score
In adjustStreamVolume of AudioService.java, there is a possible way to determine whether an app...
In adjustStreamVolume of AudioService.java, there is a possible way to determine whether an app is installed, without query permissions, due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-194110891
- Record
GHSA-r5v3-6r2m-ww8f- Weakness
- CWE-203
- Updated
- 2026-11-02
OSVPUB-A-194110891No score
In adjustStreamVolume of AudioService.java, there is a possible way to determine whether an app is installed, without query permissions, due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
PUB-A-194110891- Updated
- 2026-11-10
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.