Security readout for executives and security teams
Plain-English summary
Samsung SmartThings versions before 1.7.64.21 could expose user information through logs. The sources do not describe what information was exposed, who could access it, or real-world exploitation. The main business concern is privacy exposure for users running older SmartThings app versions.
Executive priority
Handle as a privacy-risk hygiene item unless internal evidence shows exposed logs or regulated data. Prioritize confirming app versions and log handling, especially for managed devices or environments collecting mobile application logs.
Technical view
CVE-2021-25404 is an information exposure issue in Samsung Mobile SmartThings before version 1.7.64.21. The CVE maps to CWE-922, indicating sensitive information stored insecurely, specifically through logs. No CVSS score, exploit method, or detailed impact scope is provided in the source bundle.
Likely exposure
Exposure is limited to SmartThings installations older than 1.7.64.21. Risk depends on whether affected logs were accessible to unauthorized users, support tools, device administrators, or logging pipelines. The sources do not identify platforms, configurations, or exact user data involved.
Exploitation context
The source bundle does not show CISA KEV listing or any cited evidence of active exploitation. Public details are sparse and do not provide an attack path. Treat exploitation status as unconfirmed, not active.
Researcher notes
The available record is minimal: affected product, fixed version threshold, CWE-922, and log-based information exposure. The sources do not define impacted data fields, access prerequisites, attack complexity, or platform variants. Avoid assuming exploitability beyond unauthorized access to user information via logs.
Mitigation direction
- Upgrade Samsung SmartThings to version 1.7.64.21 or later.
- Review Samsung Mobile's May 2021 bulletin for vendor-specific guidance.
- Restrict access to any collected SmartThings application logs.
- Reduce retention of mobile logs that may contain user information.
Validation and detection
- Inventory SmartThings installations and record app versions.
- Flag any SmartThings version older than 1.7.64.21.
- Confirm whether SmartThings logs are collected centrally.
- Review log access controls for support, admin, and analytics systems.
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-922: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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-2021-25404 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://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=5CVE 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.
Insecure Storage of Sensitive Information
Insecure Storage of Sensitive Information represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.