CVE-2020-0257
In SpecializeCommon of com_android_internal_os_Zygote.cpp, there is a permissions bypass due to...
In SpecializeCommon of com_android_internal_os_Zygote.cpp, there is a permissions bypass due to an incomplete cleanup. This could lead to local escalation of privilege in isolated processes with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10Android ID: A-156741968
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
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In SpecializeCommon of com_android_internal_os_Zygote.cpp, there is a permissions bypass due to an incomplete cleanup. This could lead to local escalation of privilege in isolated processes with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10Android ID: A-156741968
- Record
CVE-2020-0257- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/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 - Updated
- 2026-11-02
CVE List No score
In SpecializeCommon of com_android_internal_os_Zygote.cpp, there is a permissions bypass due to an incomplete cleanup. This could lead to local escalation of privilege in isolated processes with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10Android ID: A-156741968
- Record
CVE-2020-0257- Updated
- 2026-11-02
EUVDEUVD-2020-1760 No score
In SpecializeCommon of com_android_internal_os_Zygote.cpp, there is a permissions bypass due to an incomplete cleanup. This could lead to local escalation of privilege in isolated processes with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10Android ID: A-156741968
- Record
EUVD-2020-1760- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-86qf-5646-chg9 No score
In SpecializeCommon of com_android_internal_os_Zygote.cpp, there is a permissions bypass due to...
In SpecializeCommon of com_android_internal_os_Zygote.cpp, there is a permissions bypass due to an incomplete cleanup. This could lead to local escalation of privilege in isolated processes with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10Android ID: A-156741968
- Record
GHSA-86qf-5646-chg9- Weakness
- CWE-269
- Updated
- 2026-11-02
OSVASB-A-156741968 No score
In SpecializeCommon of com_android_internal_os_Zygote.cpp, there is a permissions bypass due to an incomplete cleanup. This could lead to local escalation of privilege in isolated processes with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
ASB-A-156741968- Updated
- 2026-11-05
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/frameworks/baseAndroid |
10:0 up to 10:2020-08-01, plus listed versions 10 |
10:2020-08-01 |
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-2020-0257 is a high vulnerability (CVSS 7.8) in Google Android, published August 1, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 8th percentile. Fixed in platform/frameworks/base 10:2020-08-01.