Security readout for executives and security teams
Plain-English summary
CVE-2021-0523 is an Android issue where a deceptive overlay could trick a user into enabling Wi-Fi scanning without clear consent. It affects Android 10 and Android 11. The business concern is unauthorized change of a privacy-relevant device setting, but exploitation requires local user-level execution and user interaction.
Executive priority
Treat this as a mobile hygiene and privacy-control issue rather than an emergency. Prioritize remediation where Android 10 or 11 devices remain in production without current vendor security updates.
Technical view
The CVE describes a tapjacking or overlay weakness in WifiScanModeActivity.java onCreate. An attacker with user execution privileges could cause Wi-Fi scanning to be enabled without user consent, resulting in local escalation of privilege. The source bundle lists Android 10 and Android 11 as affected and provides no CVSS score.
Likely exposure
Exposure is limited to devices running affected Android 10 or Android 11 builds that have not received the relevant vendor security update. Managed mobile fleets, BYOD devices, and legacy Android devices are the main places to check.
Exploitation context
The sources do not show active exploitation, and the CVE is not marked KEV. Exploitation requires user interaction and user execution privileges, so this is not described as a remote unauthenticated compromise.
Researcher notes
Evidence is sparse: no CVSS, CWE, exploit detail, or explicit workaround is included in the supplied bundle. Analysis should stay tied to the Android bulletin reference, affected versions, tapjacking/overlay mechanism, and stated local privilege-escalation impact.
Mitigation direction
- Check vendor Android security guidance for CVE-2021-0523 coverage.
- Update affected Android 10 and Android 11 devices through supported vendor channels.
- Prioritize unsupported or stale mobile devices for replacement or isolation.
- Use mobile device management to enforce minimum Android security patch levels.
Validation and detection
- Inventory Android 10 and Android 11 devices in managed environments.
- Confirm each device has vendor updates covering the June 2021 Android bulletin.
- Review MDM compliance reports for stale Android security patch levels.
- Track exceptions for devices that cannot receive vendor fixes.
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-2021-0523 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/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.