Security readout for executives and security teams
Plain-English summary
CVE-2021-0516 is an Android flaw in Wi-Fi peer-to-peer provisioning code. The public record says it can cause out-of-bounds read and write through use-after-free, enabling remote privilege escalation without user interaction or prior privileges.
Executive priority
Treat this as high priority for mobile fleets with old Android versions or weak patch governance. Business urgency is lower for fully updated devices, but unmanaged legacy devices should be addressed quickly.
Technical view
The issue is in p2p_process_prov_disc_req in p2p_pd.c. A use-after-free may permit out-of-bounds memory read/write. Listed affected versions are Android 8.1, 9, 10, and 11. The bundle provides no CVSS score, CWE, or exploit details.
Likely exposure
Exposure is most likely on Android 8.1 through 11 devices missing the Android June 2021 security bulletin fixes or equivalent OEM/carrier updates. Unsupported or unmanaged devices are the highest concern.
Exploitation context
The provided sources do not show CISA KEV inclusion or active exploitation. The CVE record states exploitation does not require user interaction or additional execution privileges, but it does not provide attack prerequisites or public exploit status.
Researcher notes
The source bundle identifies memory-safety impact and affected Android versions, but lacks CVSS, CWE, detailed patch mapping, and exploitation evidence. Avoid assuming broader product impact beyond Android as listed.
Mitigation direction
- Apply Android June 2021 security bulletin fixes or later vendor updates.
- Check OEM and carrier advisories for device-specific patch availability.
- Retire or isolate unsupported Android devices that cannot receive fixes.
- Enforce mobile device management compliance for Android security patch levels.
Validation and detection
- Inventory Android 8.1, 9, 10, and 11 devices.
- Verify each device has June 2021 Android security fixes or later.
- Check MDM reports for unmanaged, stale, or unsupported devices.
- Review vendor bulletins for model-specific remediation status.
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-2021-0516 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.