Security readout for executives and security teams
Plain-English summary
This Samsung mobile vulnerability could let a local, low-privileged attacker execute code through the RILD cellular component. The published severity is high because successful exploitation could affect confidentiality, integrity, and availability. Organizations with managed Samsung fleets should verify devices received the July 2023 Samsung Mobile Security Release or later.
Executive priority
Treat this as a high-priority mobile fleet hygiene issue, not a confirmed emergency. The impact is serious, but the provided evidence does not show active exploitation. Require patch compliance and exceptions reporting for Samsung devices.
Technical view
CVE-2023-30645 is a heap out-of-bounds write in IpcRxIncomingCBMsg of Samsung RILD. The CVSS 3.1 vector is local, low complexity, low privileges, no user interaction, with high CIA impact. The issue is described as affecting Samsung Mobile Devices prior to SMR Jul-2023 Release 1.
Likely exposure
Exposure is most likely on Samsung mobile devices that have not been updated to SMR Jul-2023 Release 1 or later. The source bundle does not provide specific model lists, carrier variants, or Android versions, so asset validation should focus on Samsung patch level.
Exploitation context
The source bundle does not show CISA KEV listing or cite active exploitation. CVSS indicates exploitation requires local access and low privileges, with no user interaction. Public sources in the bundle do not provide exploit details, proof of concept status, or observed campaign evidence.
Researcher notes
Key gaps are the absence of affected model granularity, exploit telemetry, and detailed patch notes. The vulnerability maps to CWE-787 and involves RILD message handling. Validation should avoid exploit reproduction and rely on patch-level and vendor-advisory confirmation.
Mitigation direction
- Update Samsung devices to SMR Jul-2023 Release 1 or later.
- Use MDM compliance rules to require current Samsung security patch levels.
- Prioritize devices used by executives, administrators, and high-risk mobile workers.
- Check Samsung guidance for model-specific availability and carrier rollout status.
Validation and detection
- Inventory Samsung mobile devices and record security patch level.
- Confirm each device has SMR Jul-2023 Release 1 or later installed.
- Identify unsupported or carrier-delayed devices that cannot receive the update.
- Review MDM reports for noncompliant or stale Samsung patch levels.
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-2023-30645 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.