Security readout for executives and security teams
Plain-English summary
This flaw affects Samsung mobile devices in the RILD component before Samsung's July 2023 security maintenance release. A successful local, low-privilege attack could run arbitrary code and affect confidentiality, integrity, and availability. The main business risk is unmanaged or slow-to-update Samsung devices in corporate use.
Executive priority
Treat this as a high-priority mobile fleet patching issue, especially for managed Samsung devices used by staff with sensitive access. No active exploitation is cited, but code execution impact justifies prompt remediation.
Technical view
CVE-2023-30644 is a CWE-787 stack out-of-bounds write in CdmaSmsParser of RILD. The CVSS 3.1 score is 7.8 with local attack vector, low complexity, low privileges required, no user interaction, and high impact across confidentiality, integrity, and availability.
Likely exposure
Exposure is most likely on Samsung mobile devices that have not received SMR Jul-2023 Release 1 or later. The provided sources do not list specific device models or carrier rollout status.
Exploitation context
The CVE is not listed as CISA KEV in the provided bundle. The sources support arbitrary code execution potential but do not provide evidence of active exploitation or public exploit availability.
Researcher notes
Validation should focus on patch state, not exploit reproduction. The source bundle names RILD CdmaSmsParser and arbitrary code execution, but does not provide model-level scope, root-cause details, or vendor mitigation beyond the Samsung July 2023 release.
Mitigation direction
- Apply Samsung SMR Jul-2023 Release 1 or later where available.
- Use MDM to identify Samsung devices below the July 2023 security maintenance release.
- Check Samsung's advisory for model-specific update availability.
- Prioritize corporate-managed and privileged-user mobile devices.
- Replace or isolate devices that cannot receive the relevant update.
Validation and detection
- Confirm Samsung device security maintenance release level in MDM inventory.
- Verify vulnerable devices report SMR Jul-2023 Release 1 or later after patching.
- Review vulnerability scanner findings for CVE-2023-30644 closure.
- Check Samsung advisory coverage against deployed device models.
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-787: 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-30644 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/securityUpdate.smsb?year=2023&month=07CVE 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.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.