Security readout for executives and security teams
Plain-English summary
CVE-2021-0490 is an Android SoC memory-management driver flaw that could let a local attacker gain higher privileges. The source describes an out-of-bounds write caused by a missing bounds check. No user interaction is required, but the bundle does not identify active exploitation or specific chip vendors.
Executive priority
Treat this as a high-priority patch governance issue for Android fleets. The flaw can elevate local privileges without user interaction, but the source bundle lacks evidence of exploitation in the wild or a remote attack path.
Technical view
The CVE describes a missing bounds check in an Android SoC memory management driver, enabling a possible out-of-bounds write. Impact is local escalation of privilege with no additional execution privileges and no user interaction. CVSS, CWE, and detailed affected component metadata are not provided in the bundle.
Likely exposure
Exposure is limited to Android devices using affected Android SoC components covered by the May 2021 Android security bulletin. The bundle does not identify specific device models, SoC vendors, or Android release branches.
Exploitation context
The available evidence supports local privilege escalation risk, not remote compromise. KEV is false, and the provided sources do not state active exploitation. Practical risk depends on device patch level and whether the affected SoC driver is present.
Researcher notes
Key gaps are CVSS, CWE, exact SoC vendor, and affected driver details. Validation should focus on Android ID A-183464868, May 2021 bulletin coverage, OEM patch mapping, and device patch-level evidence rather than exploit reproduction.
Mitigation direction
- Apply Android security updates that include the May 2021 bulletin fixes.
- Confirm OEM firmware includes the relevant Android SoC component patch.
- Prioritize mobile fleets with outdated patch levels or high-risk users.
- Check vendor and device-maker advisories for model-specific update availability.
Validation and detection
- Inventory Android devices and record security patch levels.
- Verify whether devices received the May 2021 Android security bulletin update or later.
- Check OEM release notes for CVE-2021-0490 or Android ID A-183464868.
- Track unsupported devices that no longer receive SoC security 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-2021-0490 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/2021-05-01CVE 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.