CVE-2021-39689
In multiple functions of odsign_main.cpp, there is a possible way to persist system attack due to...
In multiple functions of odsign_main.cpp, there is a possible way to persist system attack due to a logic error in the code. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-206090748
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In multiple functions of odsign_main.cpp, there is a possible way to persist system attack due to a logic error in the code. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-206090748
- Record
CVE-2021-39689- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-345
- Updated
- 2026-11-02
CVE List No score
In multiple functions of odsign_main.cpp, there is a possible way to persist system attack due to a logic error in the code. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-206090748
- Record
CVE-2021-39689- Updated
- 2026-11-02
EUVDEUVD-2021-26046 No score
In multiple functions of odsign_main.cpp, there is a possible way to persist system attack due to a logic error in the code. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-206090748
- Record
EUVD-2021-26046- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cw6f-v7rm-qq56
In multiple functions of odsign_main.cpp, there is a possible way to persist system attack due to...
In multiple functions of odsign_main.cpp, there is a possible way to persist system attack due to a logic error in the code. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-206090748
- Record
GHSA-cw6f-v7rm-qq56- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
OSVASB-A-206090748 No score
In multiple functions of odsign_main.cpp, there is a possible way to persist system attack due to a logic error in the code. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
- Record
ASB-A-206090748- Updated
- 2026-11-05
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/system/securityAndroid |
12:0 up to 12:2022-03-01, plus listed versions 12 |
12:2022-03-01 |
platform/system/securityAndroid |
12L:0 up to 12L:2022-03-01, plus listed versions 12L |
12L:2022-03-01 |
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-2021-39689 is a medium vulnerability (CVSS 6.7) in Google Android, published March 1, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.10%, the 1st percentile. Fixed in platform/system/security 12:2022-03-01.