Security readout for executives and security teams
Plain-English summary
This flaw is memory corruption in an Android SoC memory management driver. A local attacker could potentially gain higher privileges on an affected Android device without user interaction. The sources do not describe remote exploitation or name a specific SoC vendor.
Executive priority
Treat as high priority for Android fleets because it can elevate local access to higher privileges. Urgency is lower than a remote wormable issue, but unmanaged or outdated devices increase business risk.
Technical view
CVE-2021-0527 is a use-after-free in an Android SoC memory management driver. The reported impact is local escalation of privilege with no additional execution privileges required. The source bundle does not provide CVSS, CWE, affected chipset details, exploit details, or specific remediation steps beyond the Android security bulletin reference.
Likely exposure
Exposure is limited to Android devices using affected Android SoC components. Real exposure depends on device model, OEM firmware, and whether the June 2021 Android security bulletin fixes were incorporated.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. Exploitation is described as local privilege escalation, meaning an attacker would need local code execution on the device first.
Researcher notes
Evidence is sparse. The record identifies Android SoC and a memory management driver, but not a specific chipset vendor, driver name, patch diff, CVSS score, or exploit status. Avoid over-scoping beyond Android SoC until vendor mapping confirms exposure.
Mitigation direction
- Check Android and OEM guidance for CVE-2021-0527.
- Prioritize devices missing June 2021 Android security bulletin fixes.
- Apply OEM firmware or security updates when available.
- Retire or isolate devices that cannot receive vendor fixes.
Validation and detection
- Inventory Android device models and security patch levels.
- Confirm whether OEM advisories map CVE-2021-0527 to each model.
- Verify fleet patch compliance through MDM or device management reporting.
- Check that unsupported devices are removed from sensitive use.
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-2021-0527 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.