Security readout for executives and security teams
Plain-English summary
This flaw affects Samsung Mobile Galaxy Store versions before 4.5.49.8. A local attacker with low privileges could make Galaxy Store install applications without user interaction. For executives, the concern is unauthorized software installation on affected managed devices, not internet-scale remote compromise based on the provided sources.
Executive priority
Treat as high priority for Samsung mobile fleets because it can enable unauthorized app installation after local access. It is less urgent than a confirmed remotely exploited issue, but should be remediated promptly through normal mobile update controls.
Technical view
CVE-2023-21433 is a CWE-285 improper access control issue in Galaxy Store before 4.5.49.8. CVSS 3.1 is 7.8, with local attack vector, low complexity, low privileges required, no user interaction, and high confidentiality, integrity, and availability impact ratings.
Likely exposure
Exposure is limited to systems or users running Samsung Mobile Galaxy Store versions earlier than 4.5.49.8. The source bundle does not identify specific device models, regions, or deployment configurations.
Exploitation context
The provided data does not show CISA KEV listing or active exploitation. The vulnerability is local, requires low privileges, and needs no user interaction. Sources do not provide public exploit details or indicators of compromise.
Researcher notes
Available evidence names the product, fixed threshold, CWE, and CVSS vector, but not the exact vulnerable interface or privilege boundary. Do not infer remote exploitation, affected device models, or exploit availability from the provided sources.
Mitigation direction
- Update Galaxy Store to version 4.5.49.8 or later.
- Review Samsung Mobile's January 2023 security guidance for applicability.
- Prioritize updates on managed or high-risk mobile fleets.
- Monitor for unexpected application installations from Galaxy Store.
Validation and detection
- Inventory Galaxy Store versions across Samsung Mobile assets.
- Confirm affected devices are no longer below version 4.5.49.8.
- Review mobile management logs for unexpected Galaxy Store installs.
- Check whether Samsung advisory coverage matches your deployed versions.
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-285: 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-2023-21433 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
- High
- CVSS
- 7.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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:L/UI:N/S:U/C:H/I:H/A:H1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://security.samsungmobile.com/serviceWeb.smsb?year=2023&month=01CVE 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 Authorization
Improper Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.