Security readout for executives and security teams
Plain-English summary
CVE-2021-0549 is an Android 11 issue where Bluetooth MAC addresses may be exposed through logs. The known impact is local information disclosure, not remote device takeover. The source states an attacker needs System execution privileges, which materially limits practical business exposure.
Executive priority
Treat this as low operational urgency unless Android 11 devices remain unpatched or exposed to privileged local compromise. It is mainly a privacy and device hygiene issue, not a remotely exploitable enterprise-critical vulnerability based on available evidence.
Technical view
The flaw is in Android's BondStateMachine.java sspRequestCallback path. Log output can disclose Bluetooth MAC addresses. The CVE record lists Android 11 as affected, identifies Android bug A-183961896, and describes local information disclosure requiring System execution privileges with no user interaction.
Likely exposure
Exposure is limited to Android 11 devices where the vendor security update covering this issue has not been applied. Risk is higher for managed fleets with older patch levels or devices where privileged local code could access relevant logs.
Exploitation context
The source bundle does not show KEV listing, active exploitation, public exploit status, CVSS, or CWE data. Exploitation is described as local information disclosure requiring System execution privileges and no user interaction.
Researcher notes
Evidence is sparse. The public description identifies the affected callback and disclosure class but provides no CVSS, CWE, patch mechanics, or exploit evidence. Validate against Android source/vendor bulletin data before making stronger claims.
Mitigation direction
- Check Android or device-vendor guidance for CVE-2021-0549.
- Apply the relevant Android or Pixel security update where available.
- Prioritize Android 11 devices with outdated security patch levels.
- Restrict privileged local code and log access on managed devices.
Validation and detection
- Inventory Android 11 devices in the environment.
- Confirm each device's Android security patch level with vendor records.
- Review MDM compliance for devices missing June 2021-era security updates.
- Check whether untrusted software can run with System privileges.
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-2021-0549 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/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.