Security readout for executives and security teams
Plain-English summary
CVE-2021-0534 is an Android 11 local privilege escalation issue tied to DeviceAdminReceiver permission declarations. The public record says exploitation needs no user interaction and no additional execution privileges. Severity, CVSS, and detailed affected build information are not provided in the bundle.
Executive priority
Treat this as a patch-compliance issue for Android 11 fleets. It is not KEV-listed in the supplied bundle, but local privilege escalation on mobile endpoints can increase impact after initial compromise.
Technical view
The issue is described as possible lack of broadcast protection caused by an insecure default value in DeviceAdminReceiver.java permission declarations. The stated impact is local escalation of privilege on Android 11. The sources do not provide CVSS, CWE mapping, proof of exploitation, or detailed remediation mechanics.
Likely exposure
Exposure should be assessed for Android 11 devices, especially environments tracking the June 2021 Pixel security bulletin. The bundle does not identify other Android versions, OEM build ranges, or downstream device-specific status.
Exploitation context
The source states local escalation of privilege is possible without user interaction or additional execution privileges. KEV status is false, and the provided sources do not report active exploitation or public exploit availability.
Researcher notes
Public detail is sparse. Analysis should stay anchored to Android ID A-170639543, Android 11, DeviceAdminReceiver.java permission declarations, and the June 2021 Pixel bulletin reference. No exploit path or vendor-independent fix is provided.
Mitigation direction
- Check Android or device OEM guidance for CVE-2021-0534.
- Apply relevant Android 11 or Pixel security updates where available.
- Prioritize managed devices that remain on Android 11 builds from before June 2021.
- Confirm MDM policy covers Android security patch level compliance.
Validation and detection
- Inventory Android 11 devices and their security patch levels.
- Check whether devices received the June 2021 Pixel or OEM equivalent bulletin fixes.
- Review vulnerability scanner findings for CVE-2021-0534 coverage.
- Document unsupported or unpatched Android 11 devices as residual risk.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2021-0534 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://source.android.com/security/bulletin/pixel/2021-06-01CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.