Security readout for executives and security teams
Plain-English summary
CVE-2021-0552 is an Android 11 issue where an unsafe PendingIntent in the media output UI could let a local user bypass a permission boundary and disclose information. The provided sources do not include a CVSS score, severity rating, or evidence of active exploitation.
Executive priority
Treat as a moderate mobile fleet hygiene issue. It is not sourced as remotely exploitable or actively exploited, but unpatched Android 11 devices may expose sensitive information after local code execution.
Technical view
The issue is in getEndItemSliceAction of MediaOutputSlice.java. The CVE describes a permission bypass caused by unsafe PendingIntent handling, leading to local information disclosure under User execution privileges. Exploitation reportedly requires no user interaction, but the source bundle does not describe the exposed data or attack mechanics.
Likely exposure
Exposure appears limited to Android 11 devices that have not received the relevant Android or Pixel security update. The bundle does not identify other Android versions, OEM builds, or third-party products as affected.
Exploitation context
The CVE requires local User execution privileges and no user interaction. There is no KEV listing and no cited source in the bundle reporting active exploitation in the wild.
Researcher notes
Evidence is sparse: no CVSS, CWE, patch details, or data exposure specifics are included in the bundle. Analysis should stay anchored to the CVE description and Android/Pixel bulletin reference until vendor or OEM details are confirmed.
Mitigation direction
- Apply the relevant Android or Pixel security update from vendor guidance.
- Prioritize Android 11 devices with delayed or unsupported patch status.
- Confirm OEM-specific advisories for non-Pixel Android 11 devices.
- Restrict untrusted local app installation where patching is delayed.
Validation and detection
- Inventory Android 11 devices across managed and BYOD environments.
- Check each device security patch level against vendor guidance.
- Review MDM compliance reports for stale Android security updates.
- Track exceptions for unsupported devices requiring replacement or isolation.
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-2021-0552 mapping review
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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/pixel/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.