Security readout for executives and security teams
Plain-English summary
This CVE affects Samsung mobile devices running Android 8.x, 9.0, or 10.0. If an attacker controls an unprivileged Secure Folder process, they may bypass administrative restrictions inside Knox Container. The public record does not provide CVSS scoring, affected model lists, or evidence of active exploitation.
Executive priority
Treat this as a managed-device hardening issue, not a confirmed mass-exploitation emergency. Prioritize older Samsung fleets that still rely on Knox Container or Secure Folder and verify they received Samsung’s relevant security update.
Technical view
Samsung’s persona service could allow an attacker with control of an unprivileged SecureFolder process to bypass admin restrictions in KnoxContainer. The issue is tracked as SVE-2020-18133 in Samsung’s August 2020 security materials. Source data does not define exact models, exploitability details, or a CVSS vector.
Likely exposure
Exposure is most relevant to Samsung Android 8.x, 9.0, and 10.0 devices using Knox Container or Secure Folder. Managed enterprise fleets with Knox policies have higher operational relevance. The source bundle does not identify specific device models or configurations beyond OS versions and services.
Exploitation context
CISA KEV is false, and the supplied sources do not cite active exploitation. The described attacker already controls an unprivileged SecureFolder process, so this is not evidenced as remote unauthenticated exploitation. The business concern is policy or admin-control bypass in managed Samsung environments.
Researcher notes
The public evidence is sparse: no CVSS, CWE, model list, proof-of-concept, or exploitation report is included. Analysis should remain bounded to persona service, SecureFolder process control, KnoxContainer admin restriction bypass, and Samsung’s SVE-2020-18133 reference.
Mitigation direction
- Check Samsung guidance for SVE-2020-18133 from the August 2020 security update.
- Apply applicable Samsung mobile security updates to affected Android 8.x, 9.0, and 10.0 devices.
- Prioritize managed devices using Knox Container or Secure Folder.
- Review MDM policy enforcement for Knox-managed restrictions.
Validation and detection
- Inventory Samsung devices by Android version and security patch level.
- Identify devices using Knox Container or Secure Folder.
- Confirm whether Samsung August 2020 or later relevant updates are installed.
- Check MDM records for Knox policy bypass symptoms or unexplained policy drift.
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.
CVE-2020-25055 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/securityUpdate.smsbCVE 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.