CVE-2025-21011: Samsung Mobile Devices · Improper Access Control
Affects Samsung Mobile DevicesSource CVE Database V5
Not known to be exploited · CVSS 5.5 Medium.
Data as of 26 Oct 2026, 07:57 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 6 Aug 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.
What to do
AI-suggested
European organizations should implement the following specific mitigations: 1) Enforce strict physical security and device access controls to prevent unauthorized local access to Samsung Galaxy Watch devices, including use of strong authentication mechanisms such as PINs or biometric locks. 2) Monitor and restrict installation of untrusted applications or services that could escalate privileges or access sensor data. 3) Educate users about the risks of sharing devices or leaving them unattended. 4) Stay informed about Samsung’s security updates and promptly apply the SMR August 2025 Release 1 or subsequent patches addressing this vulnerability once available. 5) For enterprise deployments, consider mobile device management (MDM) solutions that can enforce security policies on wearable devices and remotely wipe or disable compromised devices. 6) Conduct audits of sensor data access logs if available to detect anomalous access patterns. 7) Evaluate the necessity of sensitive sensor data collection in organizational use cases and limit data exposure where possible.
Description
Improper access control in SemSensorService for Galaxy Watch prior to SMR Aug-2025 Release 1 allows local attackers to access sensitive information related to motion and body sensors.