Security readout for executives and security teams
Plain-English summary
CVE-2021-25422 is a Samsung Watch Active PlugIn issue where Wi-Fi passwords from a user's smartphone could appear in logs. An attacker would need permissions to access those logs, so exposure depends on who can read device or application logs.
Executive priority
Handle as a credential exposure hygiene issue. Prioritize updates and log-access review for managed Samsung wearable users, especially where enterprise Wi-Fi credentials could be present in collected logs.
Technical view
The CVE describes improper log management, mapped to CWE-779, in Samsung Mobile Watch Active PlugIn before version 2.2.07.21033151. The vulnerable behavior can leak the connected smartphone's Wi-Fi password within logs to an attacker with log permissions. No CVSS score, CPE list, or detailed exploit conditions are provided.
Likely exposure
Organizations are most likely exposed where Samsung Watch Active PlugIn is installed below 2.2.07.21033151 and logs are accessible to users, support tools, device administrators, or endpoint collection systems.
Exploitation context
The source bundle does not report active exploitation, and the CVE is not listed as KEV. The described attacker already needs log permissions, making this a sensitive-data exposure issue rather than a remote compromise claim.
Researcher notes
Evidence is limited to the CVE description and Samsung advisory reference. No CVSS, exploit write-up, proof of concept, or detailed affected version range beyond prior to 2.2.07.21033151 is included.
Mitigation direction
- Update Samsung Watch Active PlugIn to version 2.2.07.21033151 or later.
- Check Samsung's June 2021 guidance for any additional vendor instructions.
- Restrict access to application, device, and support logs.
- Reduce unnecessary log collection and retention where feasible.
- Treat exposed Wi-Fi passwords as credentials requiring rotation if logs were accessible.
Validation and detection
- Inventory Samsung Watch Active PlugIn installations and versions.
- Confirm no managed devices run versions before 2.2.07.21033151.
- Review who can access collected device or application logs.
- Check whether logs were exported to support, MDM, SIEM, or helpdesk systems.
- Assess whether Wi-Fi password rotation is needed for potentially exposed networks.
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-779: 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 lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-25422 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=6CVE 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.
Logging of Excessive Data
Logging of Excessive Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.