Security readout for executives and security teams
Plain-English summary
CVE-2021-0495 is an Android SoC memory management driver flaw that could let code already running locally gain higher privileges. The public record does not provide CVSS, CWE, or detailed affected chipset information. There is no KEV listing in the provided bundle, so active exploitation is not established here.
Executive priority
Treat this as a fleet hygiene and mobile privilege-risk issue. It is not documented here as actively exploited, but unpatched Android SoC vulnerabilities can leave devices vulnerable to privilege escalation after initial local code execution.
Technical view
The issue is described as an out-of-bounds write caused by uninitialized data in a memory management driver. Android states it can cause local escalation of privilege with no additional execution privileges and no user interaction. The bundle identifies Product: Android, Versions: Android SoC, Android ID A-183459083.
Likely exposure
Exposure is most likely on Android devices using affected SoC builds that did not receive the relevant Android or OEM security update. The bundle does not identify specific device models, chipsets, or vendors.
Exploitation context
The cited record supports local privilege escalation, not remote compromise. No user interaction is needed, but exploitation requires local execution context. The provided sources do not show public exploitation or CISA KEV inclusion.
Researcher notes
Evidence is sparse: no CVSS, CWE, detailed driver name, chipset list, exploitability notes, or patch commit is included in the supplied bundle. Avoid assuming affected vendors or exploit availability beyond Android SoC and Android ID A-183459083.
Mitigation direction
- Check Android and OEM guidance for CVE-2021-0495 and A-183459083.
- Update affected Android devices to vendor-supported patched builds.
- Prioritize unsupported or stale Android SoC devices for replacement or isolation.
- Use MDM controls to restrict untrusted app installation on exposed fleets.
Validation and detection
- Inventory Android devices, OS versions, build fingerprints, and security patch levels.
- Compare device patch levels against the May 2021 Android Security Bulletin and OEM advisories.
- Confirm SoC vendor firmware updates are included in deployed images.
- Review fleet for unsupported Android builds that no longer receive 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-2021-0495 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.