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CVE-2023-20942

In openMmapStream of AudioFlinger.cpp, there is a possible way to record audio without displaying...

5.5 MediumFix available

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

0.07%Unchanged since Jul 14, 2023
90%50%10%1%

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 MediumCVSS: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 NoneCVSS: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 MediumCVSS: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

Affected packages
PackageAffectedFixed
platform/frameworks/av
Android
13-next:0 up to 13-next:2023-07-01, plus listed versions
13-next
13-next:2023-07-01
platform/frameworks/av
Android
12:0 up to 12:2023-07-01, plus listed versions
12
12:2023-07-01
platform/frameworks/av
Android
12L:0 up to 12L:2023-07-01, plus listed versions
12L
12L:2023-07-01
platform/frameworks/av
Android
13:0 up to 13:2023-07-01, plus listed versions
13
13:2023-07-01

History

History
RecordedChangedSources
factsOSV
aliasesEUVD
first indexedCVE 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

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