CVE-2021-0536
In dropFile of WiFiInstaller, there is a way to delete files accessible to CertInstaller due to a...
CVE-2021-0536 is a high vulnerability (CVSS 7.8) in Google Android, published June 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.12%, the 1st percentile. Fixed in platform/packages/apps/CertInstaller 11:2021-06-01.
- Severity
- 7.8 HighCVSS 3.1, NVD
- Exploit chance
- 0.12%EPSS, 1st percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
11:2021-06-01platform/packages/apps/CertInstaller
Description
In dropFile of WiFiInstaller, there is a way to delete files accessible to CertInstaller due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-176756691
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
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/packages/apps/CertInstallerAndroid | 11:0 up to 11:2021-06-01, plus listed versions 11 | 11:2021-06-01 |
What each source reports
NVD Score used
In dropFile of WiFiInstaller, there is a way to delete files accessible to CertInstaller due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-176756691
- Record
CVE-2021-0536- 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
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-610
- Updated
- 2026-11-02
CVE ListNo score
In dropFile of WiFiInstaller, there is a way to delete files accessible to CertInstaller due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-176756691
- Record
CVE-2021-0536- Updated
- 2026-11-02
EUVDEUVD-2021-3155No score
In dropFile of WiFiInstaller, there is a way to delete files accessible to CertInstaller due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-176756691
- Record
EUVD-2021-3155- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2762-7h78-r5qqNo score
In dropFile of WiFiInstaller, there is a way to delete files accessible to CertInstaller due to a...
In dropFile of WiFiInstaller, there is a way to delete files accessible to CertInstaller due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-176756691
- Record
GHSA-2762-7h78-r5qq- Weakness
- CWE-610
- Updated
- 2026-11-02
OSVPUB-A-176756691No score
In dropFile of WiFiInstaller, there is a way to delete files accessible to CertInstaller due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
PUB-A-176756691- Updated
- 2026-11-10
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.