Security readout for executives and security teams
Plain-English summary
Samsung SmartThings before version 1.7.67.25 had an access-control flaw that could let an untrusted app trigger local file inclusion inside a WebView. The public sources do not state what files could be reached, the practical impact, or active exploitation.
Executive priority
Treat as a targeted mobile hygiene issue rather than a confirmed active crisis. Prioritize updating SmartThings on managed devices, especially in environments allowing third-party app installation.
Technical view
CVE-2021-25447 is mapped to CWE-284. The published description says improper access control in SmartThings prior to 1.7.67.25 allows untrusted applications to cause local file inclusion in WebView. No CVSS vector, exploit details, or detailed attack preconditions are provided.
Likely exposure
Exposure is limited to devices running Samsung SmartThings versions earlier than 1.7.67.25. Risk is most relevant where users can install untrusted apps on the same device.
Exploitation context
The provided sources do not report active exploitation, and the CVE is not listed as KEV. The record indicates abuse by untrusted applications, not remote unauthenticated exploitation.
Researcher notes
Public detail is sparse. Do not assume file scope, exploit reliability, or cross-device impact from the available record. Validation should focus on version exposure and local app trust boundaries.
Mitigation direction
- Upgrade Samsung SmartThings to version 1.7.67.25 or later.
- Check Samsung Mobile security guidance for any additional remediation notes.
- Restrict installation of untrusted apps on managed mobile devices.
- Use MDM controls to enforce app version compliance where available.
Validation and detection
- Inventory devices with Samsung SmartThings installed.
- Confirm SmartThings versions are 1.7.67.25 or later.
- Review mobile app inventory for untrusted or unmanaged applications.
- Check Samsung advisory history for updated guidance.
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.
CWE-284: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2021-25447 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://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=8CVE 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.
CWE mapping pending import
This CVE carries a CWE mapping that will resolve to a full Glexia CWE intelligence page after the official CWE import is complete.