Security readout for executives and security teams
Plain-English summary
CVE-2021-0528 is a reported Android SoC memory-management driver flaw. A local attacker could potentially gain higher privileges through memory corruption caused by a double free. The source says no user interaction and no additional execution privileges are needed, but it does not provide CVSS, affected chipset details, or active exploitation evidence.
Executive priority
Treat this as a high-priority legacy Android patch validation item, especially for fleets with older or unsupported devices. Business urgency depends on whether deployed models map to the affected SoC driver, which the provided sources do not fully identify.
Technical view
The CVE describes a double-free condition in an Android memory management driver, tracked as Android ID A-185195266. The stated impact is local escalation of privilege. The source bundle identifies Android SoC as affected but does not name specific SoC vendors, kernel versions, devices, commits, or detailed remediation artifacts.
Likely exposure
Exposure is most likely on Android devices using the affected SoC memory-management driver and lacking the relevant June 2021 Android security bulletin fixes. Specific device and chipset scope is not available in the supplied sources.
Exploitation context
The supplied sources support a local privilege-escalation impact with no user interaction required. They do not show public exploit availability, observed attacks, or CISA KEV listing, so active exploitation should not be assumed.
Researcher notes
Key missing evidence includes CVSS scoring, CWE assignment, affected SoC vendor, fixed driver versions, commits, and exploit telemetry. Analysis should stay anchored to the Android bulletin and CVE record until OEM-specific evidence is available.
Mitigation direction
- Review the Android June 2021 security bulletin and OEM advisories for CVE-2021-0528 coverage.
- Prioritize applying vendor Android security updates to affected devices.
- Confirm mobile device management compliance for relevant Android patch levels.
- Isolate or retire unsupported Android devices that cannot receive vendor fixes.
Validation and detection
- Inventory Android devices by model, SoC, vendor, and security patch level.
- Check OEM bulletins for explicit CVE-2021-0528 inclusion.
- Verify managed devices report installed Android security updates after June 2021 remediation.
- Escalate gaps where affected SoC details cannot be mapped to deployed devices.
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-2021-0528 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.