Security readout for executives and security teams
Plain-English summary
This CVE affects certain Samsung mobile devices running Android 9 or 10 China/India software. A locked Gallery app protected by S Secure could be accessed without the intended authentication path via the Reminder application. The main business concern is unauthorized access to private photos or documents on affected devices.
Executive priority
Handle as a privacy and mobile data exposure issue, not as a confirmed network-wide emergency. Prioritize affected executive, regulated-data, and field devices first because the impact is unauthorized access to locked Gallery content.
Technical view
CVE-2020-28342 is Samsung SVE-2020-18689, disclosed in November 2020. The source states S Secure permits authentication bypass for a locked Gallery application through Reminder on Samsung P(9.0) and Q(10.0) China/India software. No CVSS score, CWE, detailed affected model list, or fix version is provided in the bundle.
Likely exposure
Exposure appears limited to Samsung mobile devices with Android P(9.0) or Q(10.0) China/India software where S Secure is used to lock Gallery. The bundle does not identify specific models, builds, or enterprise fleet prevalence.
Exploitation context
The provided sources do not report active exploitation, and the CVE is not marked KEV. The description indicates an authentication bypass involving local applications on the device, but it does not specify attacker prerequisites, proximity, or required device access.
Researcher notes
The public bundle is sparse: no CVSS, CWE, model matrix, patch build, or exploitation evidence. Analysis should stay tied to Samsung Android 9/10 China/India software, S Secure, Gallery, Reminder, and Samsung identifier SVE-2020-18689.
Mitigation direction
- Check Samsung guidance for SVE-2020-18689 and applicable regional firmware updates.
- Prioritize vendor-confirmed updates for affected Samsung Android 9 and 10 devices.
- Inventory Samsung China/India firmware devices using S Secure Gallery locking.
- Reduce sensitive image storage on affected devices until remediated.
- Apply mobile device management controls where business data may be exposed.
Validation and detection
- Confirm whether fleet devices run Samsung Android P(9.0) or Q(10.0) China/India software.
- Check whether S Secure is installed and used to lock Gallery.
- Compare device security patch level against Samsung guidance for SVE-2020-18689.
- Document users or business processes storing sensitive content in Gallery.
- Track remediation status separately from non-affected regional firmware.
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
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CVE-2020-28342 mapping review
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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.