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CVE Record

CVE-2021-0525: In memory management driver, there is a possible out of bounds write due to a use after free.

In memory management driver, there is a possible out of bounds write due to a use after free. 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-185193929

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2021-0525 is an Android SoC memory-management driver flaw. The public record says it could let a local attacker gain higher privileges without user interaction. The affected SoC scope is not detailed in the provided sources, so exposure depends on vendor Android builds and patch level.

Executive priority

Prioritize remediation for any managed Android fleet with outdated or unsupported devices. The business concern is post-compromise privilege escalation on endpoints, but the public evidence does not show active exploitation.

Technical view

The issue is described as a use-after-free in a memory management driver that may cause an out-of-bounds write. The stated impact is local escalation of privilege with no additional execution privileges required. No CVSS score, CWE, affected SoC vendor, or exploit details are provided.

Likely exposure

Android devices using affected Android SoC components and missing the June 2021 Android security updates are the likely exposure. The supplied sources do not identify specific chipsets, OEM models, or firmware branches.

Exploitation context

The source record supports local privilege escalation and no required user interaction. It does not state remote exploitability, active exploitation, public exploit availability, or inclusion in CISA KEV.

Researcher notes

Focus validation on patch provenance and OEM/SoC mapping. The public CVE text is sparse, so avoid assuming affected chipsets or exploit mechanics beyond local use-after-free leading to possible out-of-bounds write.

Mitigation direction

  • Apply Android security updates that include the June 2021 bulletin fixes.
  • Check OEM firmware advisories for affected device models and SoC components.
  • Prioritize devices that are unsupported or behind security patch levels.
  • Restrict untrusted local app execution where updates are delayed.

Validation and detection

  • Inventory Android device patch levels across managed fleets.
  • Confirm whether devices received the June 2021 Android security bulletin fixes.
  • Review OEM advisories for CVE-2021-0525 or Android ID A-185193929.
  • Treat unsupported devices as unresolved unless vendor evidence proves remediation.
Prepared
Confidence
medium
Sources
3

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

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CVE-2021-0525 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.