Security readout for executives and security teams
Plain-English summary
This issue affects older Lenovo SHAREit for Android installs. A crafted intent: URL could let a remote attacker trigger unspecified impact. The public record does not explain the exact business consequence, so urgency depends on whether legacy Android devices still run vulnerable SHAREit versions.
Executive priority
Treat this as a legacy mobile hygiene issue unless inventory finds affected devices. The lack of impact detail and exploitation evidence limits urgency, but unsupported Android devices with vulnerable SHAREit should be removed or remediated promptly.
Technical view
CVE-2016-4782 covers an intent scheme URL attack in Lenovo SHAREit before 3.5.98_ww on Android before 4.2. The CVE describes remote attacker influence through a crafted intent: URL, but provides no CVSS, CWE, detailed impact, or exploit mechanics.
Likely exposure
Exposure is most likely limited to unmanaged or legacy Android devices running SHAREit older than 3.5.98_ww on Android versions before 4.2. Modern managed mobile fleets are less likely to retain this combination, but inventory evidence is required.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The attack is described as remote and intent-URL based, but the public CVE language leaves the resulting impact unspecified.
Researcher notes
Evidence is sparse: no CVSS vector, CWE, CPE list, or detailed impact is provided in the bundle. Analysis should stay bounded to SHAREit before 3.5.98_ww on Android before 4.2 and Lenovo advisory LEN-6421.
Mitigation direction
- Inventory Android devices for Lenovo SHAREit installations.
- Update SHAREit to 3.5.98_ww or later where present.
- Remove SHAREit from unsupported legacy Android devices if update is unavailable.
- Prioritize devices running Android before 4.2.
- Check Lenovo advisory LEN-6421 for vendor-specific guidance.
Validation and detection
- Confirm SHAREit version is not older than 3.5.98_ww.
- Confirm no managed devices run Android before 4.2 with SHAREit installed.
- Review MDM software inventory for unmanaged legacy Android exceptions.
- Document any devices requiring removal, update, or retirement.
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
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CVE-2016-4782 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://support.lenovo.com/us/en/product_security/len_6421CVE reference · x_refsource_CONFIRM
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.