CVE-2025-20990: Samsung Mobile Devices · Improper Access Control
Affects Samsung Mobile DevicesSource CVE Database V5
Not known to be exploited · CVSS 4.0 Medium.
Data as of 25 Oct 2026, 19:02 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:N/UI:N/S:U/C:L/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 2026-10-25.
What to do
AI-suggested
To mitigate this vulnerability, European organizations should prioritize the following actions: 1) Ensure timely deployment of the SMR August 2025 Release 1 or later updates from Samsung that address this access control flaw. 2) Enforce strict device usage policies limiting local access to trusted applications and users only, reducing the risk of local exploitation. 3) Implement Mobile Device Management (MDM) solutions that can monitor and restrict app permissions and detect anomalous behavior indicative of privilege escalation or unauthorized access attempts. 4) Educate users about the risks of installing untrusted applications or granting excessive permissions that could facilitate local attacks. 5) For highly sensitive environments, consider additional endpoint security controls such as application whitelisting and device encryption to protect data even if device identifiers are exposed. 6) Monitor device logs and security alerts for suspicious local access attempts to system nodes. These targeted measures go beyond generic patching and help reduce the attack surface related to local privilege abuse.
Description
Improper access control in accessing system device node prior to SMR Aug-2025 Release 1 allows local attackers to access device identifier.