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CVE Record

CVE-2021-0492: In memory management driver, there is a possible out of bounds write due to a missing bounds check.

In memory management driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android SoCAndroid ID: A-183459078

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2021-0492 is an Android SoC memory-management driver flaw that could let a local attacker gain higher privileges on a device. The bug is an out-of-bounds write caused by missing bounds checking. The supplied sources do not show active exploitation, CVSS scoring, or chip-vendor detail beyond Android SoC.

Executive priority

Treat this as a high-priority Android fleet hygiene issue, especially for devices handling enterprise data. The business risk is post-compromise privilege escalation, not confirmed remote takeover. Urgency depends on whether managed devices remain below the May 2021 security patch level.

Technical view

The issue is a local escalation-of-privilege condition in an Android memory management driver. Missing bounds validation permits an out-of-bounds write. The CVE states no additional execution privileges and no user interaction are needed, but the supplied data does not identify the specific driver implementation, CWE, or CVSS vector.

Likely exposure

Exposure is limited to Android devices using the affected Android SoC component covered by the May 2021 Android security bulletin. Asset owners need vendor patch-level and device-model mapping because the supplied CVE data does not name specific chipsets, OEMs, or builds.

Exploitation context

The supplied sources support local privilege escalation with no user interaction. They do not provide evidence of active exploitation, public exploit availability, or remote exploitation. KEV status is false in the bundle, so treat exploitation as unconfirmed from the provided evidence.

Researcher notes

The public record is sparse: no CVSS, CWE, driver name, chipset list, exploit details, or mitigation beyond the Android bulletin reference. Validation should focus on patch provenance and Android ID A-183459078 rather than speculative product matching.

Mitigation direction

  • Apply the Android May 2021 security bulletin updates or vendor-equivalent firmware updates.
  • Check OEM and chipset vendor advisories for device-specific fixed builds.
  • Prioritize managed Android fleets with sensitive data or privileged enterprise apps.
  • Retire or isolate devices that cannot receive the relevant security patch.
  • Monitor vendor guidance for any later clarification on affected SoCs.

Validation and detection

  • Inventory Android device models, SoC families, and security patch levels.
  • Confirm devices are patched to May 2021 or a vendor-fixed equivalent.
  • Review MDM compliance reports for unpatched Android endpoints.
  • Check OEM release notes for references to Android ID A-183459078.
  • Document unsupported devices requiring exception handling or replacement.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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

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CVE-2021-0492 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aAndroidAndroid SoCListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.