Security readout for executives and security teams
Plain-English summary
This CVE describes a Samsung mobile lockscreen weakness. On Android Q (10.0) with OneUI 2.1, Quick Share could allow unauthenticated downloads while the device is locked, creating file-injection risk. The public record does not provide a CVSS score or model list.
Executive priority
Treat this as a targeted mobile hygiene issue, not an internet-scale emergency. Prioritize fleets with Samsung Android 10 OneUI 2.1 devices, especially unmanaged or slow-to-patch users. Lack of CVSS and exploit evidence lowers urgency, but lockscreen file injection is still operationally meaningful.
Technical view
CVE-2020-25048 maps to Samsung SVE-2020-17760 from August 2020. The described condition is Quick Share accepting unauthenticated downloads in the lockscreen state on Samsung mobile devices with Q (10.0) and OneUI 2.1. Public sources do not provide exploit details, affected model CPEs, or CWE classification.
Likely exposure
Likely exposure is limited to Samsung mobile devices running Android Q (10.0) with OneUI 2.1 and Quick Share present. The source bundle does not identify exact device models, deployment prevalence, or enterprise management settings.
Exploitation context
No cited source states active exploitation, and this CVE is not listed as KEV in the provided bundle. The public description indicates unauthenticated lockscreen downloads through Quick Share, but does not document attacker prerequisites, range, or observed abuse.
Researcher notes
The available record is sparse. It names Samsung SVE-2020-17760 and the vulnerable feature and state, but not affected models, CPEs, root cause, patch mechanics, or exploit prerequisites. Avoid claiming exploitation or precise blast radius without Samsung advisory confirmation.
Mitigation direction
- Check Samsung guidance for SVE-2020-17760 in the August 2020 security update.
- Apply relevant Samsung mobile security updates where available.
- Inventory and prioritize affected Samsung Android 10 OneUI 2.1 devices.
- Consider disabling Quick Share until devices are confirmed remediated.
- Use MDM policy to enforce patch levels where supported.
Validation and detection
- Identify Samsung devices running Android Q (10.0) with OneUI 2.1.
- Confirm each device security patch level against Samsung August 2020 guidance.
- Check whether Quick Share is enabled or permitted by policy.
- Review MDM inventory for unmanaged or outdated Samsung devices.
- Document devices where vendor update availability is unclear.
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-2020-25048 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.