Security readout for executives and security teams
Plain-English summary
This Samsung Mobile issue could let someone with local access on an affected Android 11 device read arbitrary files with higher privileges through CallBGProvider. The business concern is mainly unmanaged or outdated Samsung fleets. The source bundle names Samsung’s June 2021 security maintenance release as the correction point, with no KEV listing or cited active exploitation evidence.
Executive priority
Treat this as a mobile fleet hygiene issue with moderate urgency. Prioritize executives, administrators, and users handling sensitive data if any Samsung Android 11 devices remain below the June 2021 security release.
Technical view
CVE-2021-25410 is described as improper access control in a CallBGProvider component before Samsung SMR JUN-2021 Release 1. A local attacker could access arbitrary files with escalated privilege. The affected entry names Samsung Mobile Devices running R(11.0). CVSS data is not provided, and the bundle maps the issue to CWE-20.
Likely exposure
Exposure is likely limited to Samsung Mobile Devices on Android R(11.0) that have not received SMR JUN-2021 Release 1 or later. The bundle does not identify specific models, carrier variants, or non-Samsung products.
Exploitation context
The available evidence supports local exploitation only. The CVE is not marked KEV, and the bundle does not cite active exploitation in the wild. The Oversecured reference suggests public research context, but the provided bundle does not establish weaponized exploitation.
Researcher notes
The bundle is sparse: no CVSS vector, no detailed affected model list, and no exploit status beyond KEV=false. Analysis should stay anchored to Samsung Mobile Devices R(11.0), CallBGProvider, local attacker context, arbitrary file access, and the June 2021 SMR boundary.
Mitigation direction
- Update affected Samsung devices to SMR JUN-2021 Release 1 or later.
- Check Samsung’s June 2021 advisory for model-specific update availability.
- Use MDM compliance rules to block outdated Android 11 Samsung devices.
- Limit installation of untrusted local apps on affected devices.
Validation and detection
- Inventory Samsung Android 11 devices and record their security patch level.
- Confirm devices show June 2021 SMR Release 1 or a later patch level.
- Review MDM reports for noncompliant Samsung devices still below the fixed release.
- Check vendor advisory coverage for each managed Samsung model.
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-20: 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-2021-25410 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.smsb?year=2021&month=6CVE reference · x_refsource_MISC
- https://blog.oversecured.com/Two-weeks-of-securing-Samsung-devices-Part-2/CVE 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.
Improper Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.