Security readout for executives and security teams
Plain-English summary
CVE-2023-21447 is an information exposure issue in Samsung Cloud before version 5.3.0.32. A local attacker could access some information using Samsung Cloud privileges through an implicit intent. The known impact is limited confidentiality exposure, not system takeover or service disruption.
Executive priority
Treat this as a routine mobile fleet hygiene issue unless sensitive Samsung Cloud data is heavily used in the organization. It does not currently justify emergency response based on the provided sources, but outdated managed devices should be remediated.
Technical view
The vulnerability is improper access control, mapped to CWE-284. CVSS 3.1 is 4.0 with local attack vector, low complexity, no privileges, no user interaction, unchanged scope, and low confidentiality impact only. Sources identify Samsung Cloud prior to 5.3.0.32 as affected.
Likely exposure
Exposure is limited to Samsung mobile environments using Samsung Cloud versions earlier than 5.3.0.32. The source bundle does not identify specific device models, Android versions, or deployment conditions beyond the vulnerable app version.
Exploitation context
The sources do not report active exploitation, and the CVE is not listed as KEV. Exploitation requires local access on the device context. The public description attributes the issue to implicit intent handling and improper access control.
Researcher notes
Evidence is concise and version-focused. No source provides exploit details, affected device model lists, or deeper technical root cause beyond implicit intent access control. Avoid assuming broader Samsung platform exposure without vendor confirmation.
Mitigation direction
- Update Samsung Cloud to version 5.3.0.32 or later where available.
- Follow Samsung Mobile security guidance for February 2023 updates.
- Prioritize managed or high-risk devices that use Samsung Cloud.
- Restrict use of outdated Samsung Cloud versions through MDM where practical.
Validation and detection
- Inventory Samsung Cloud versions across managed Samsung devices.
- Confirm no devices run Samsung Cloud earlier than 5.3.0.32.
- Review MDM app inventory or endpoint telemetry for affected versions.
- Check Samsung’s February 2023 advisory for vendor-specific update details.
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-284: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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-2023-21447 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
- Medium
- CVSS
- 4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N2.51.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4MediumVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://security.samsungmobile.com/serviceWeb.smsb?year=2023&month=02CVE reference
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 Access Control
Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.