Security readout for executives and security teams
Plain-English summary
CVE-2021-0508 is an Android flaw in DRM-related code that could let a local attacker gain higher privileges on a device. The public record says no user interaction is needed, but it does not provide CVSS scoring or detailed exploit evidence.
Executive priority
Treat this as a device hygiene and mobile fleet exposure issue. It is not KEV-listed in the source bundle, but local privilege escalation without user interaction warrants prompt remediation where Android 8.1 to 11 remains in use.
Technical view
The issue is a possible use-after-free in various functions of Android DrmPlugin.cpp caused by a race condition. The documented impact is local escalation of privilege with no additional execution privileges required across Android 8.1, 9, 10, and 11.
Likely exposure
Exposure is most likely on Android 8.1 through 11 devices that have not received the Android security fixes associated with the June 2021 bulletin or equivalent OEM updates.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The attack is local privilege escalation, so it requires attacker code or local access on the device.
Researcher notes
Public details are limited to the CVE description and Android bulletin reference. Avoid assuming exploitability details beyond local escalation through a race-driven use-after-free in DrmPlugin.cpp.
Mitigation direction
- Apply Android or OEM security updates covering the June 2021 bulletin.
- Prioritize unsupported or unmanaged Android 8.1 through 11 devices for retirement or isolation.
- Use MDM compliance rules to block devices missing required Android patch levels.
- Check vendor or OEM guidance for device-specific patch availability.
Validation and detection
- Inventory Android devices running versions 8.1, 9, 10, or 11.
- Verify each device's Android security patch level against OEM guidance.
- Confirm MDM reports identify noncompliant or unsupported devices.
- Review exception lists for unmanaged personal or field 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-2021-0508 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.