CVE-2023-20942 json
In openMmapStream of AudioFlinger.cpp, there is a possible way to record audio without displaying the microphone privacy indicator due to a…
published 2023-07-12 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-25110
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 0%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- android.googlesource.com/platform/frameworks/av/+/bae3b00a5873d1562679a1289fd849017… commit
- android.googlesource.com/platform/frameworks/av/+/b072419650958c41c87d2baa572dc2fe6… commit
- android.googlesource.com/platform/frameworks/av/+/770b45c3c1619cf4008b89e7a0f4392bf… commit
- source.android.com/security/bulletin/2023-07-01 advisory
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.07% chance of exploitation in the next 30 days, higher than 0% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
Affected products
- Google Android
Classification
- Weakness
-
- CWE-326 Inadequate Encryption Strength
References
-
android.googlesource.com
/platform/frameworks/av/+/bae3b00a5873d1562679a1289fd8490178cfe064
patch
-
android.googlesource.com
/platform/frameworks/av/+/b072419650958c41c87d2baa572dc2fe6da9ea6b
patch
-
android.googlesource.com
/platform/frameworks/av/+/770b45c3c1619cf4008b89e7a0f4392bf2224bbc
patch
-
source.android.com
/security/bulletin/2023-07-01
patch, vendor-advisory
Sources
- CVE List CVE-2023-20942
- NVD CVE-2023-20942
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.