CVE-2023-20942
In openMmapStream of AudioFlinger.cpp, there is a possible way to record audio without displaying...
In openMmapStream of AudioFlinger.cpp, there is a possible way to record audio without displaying the microphone privacy indicator due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
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
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
5.5
In openMmapStream of AudioFlinger.cpp, there is a possible way to record audio without displaying the microphone privacy indicator due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
CVE-2023-20942- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-326
- Updated
- 2026-11-02
CVE List No score
In openMmapStream of AudioFlinger.cpp, there is a possible way to record audio without displaying the microphone privacy indicator due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
CVE-2023-20942- Weakness
- CWE-326
- Updated
- 2026-11-02
EUVDEUVD-2023-25110
0.0
In openMmapStream of AudioFlinger.cpp, there is a possible way to record audio without displaying the microphone privacy indicator due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
EUVD-2023-25110- CVSS
- 0.0 None
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v686-hww2-hffw
5.5
In openMmapStream of AudioFlinger.cpp, there is a possible way to record audio without displaying...
In openMmapStream of AudioFlinger.cpp, there is a possible way to record audio without displaying the microphone privacy indicator due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
GHSA-v686-hww2-hffw- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-326
- Updated
- 2026-11-02
OSVASB-A-258021433 No score
In openMmapStream of AudioFlinger.cpp, there is a possible way to record audio without displaying the microphone privacy indicator due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
ASB-A-258021433- Updated
- 2026-11-05
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/frameworks/avAndroid |
13-next:0 up to 13-next:2023-07-01, plus listed versions 13-next |
13-next:2023-07-01 |
platform/frameworks/avAndroid |
12:0 up to 12:2023-07-01, plus listed versions 12 |
12:2023-07-01 |
platform/frameworks/avAndroid |
12L:0 up to 12L:2023-07-01, plus listed versions 12L |
12L:2023-07-01 |
platform/frameworks/avAndroid |
13:0 up to 13:2023-07-01, plus listed versions 13 |
13:2023-07-01 |
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.
In short
CVE-2023-20942 is a medium vulnerability (CVSS 5.5) in Google Android, published July 1, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.07%, the 0th percentile. Fixed in platform/frameworks/av 13-next:2023-07-01.
References
android.googlesource.com/platform/frameworks/av/+/bae3b00a5873d1562679a1289fd8490178cfe064
android.googlesource.com/platform/frameworks/av/+/b072419650958c41c87d2baa572dc2fe6da9ea6b
android.googlesource.com/platform/frameworks/av/+/770b45c3c1619cf4008b89e7a0f4392bf2224bbc
source.android.com/security/bulletin/2023-07-01
nvd.nist.gov/vuln/detail/CVE-2023-20942
github.com/advisories/GHSA-v686-hww2-hffw