Security readout for executives and security teams
Plain-English summary
This is a Samsung Mobile vulnerability where weak input checking in a radio-interface library could let a local, low-privileged attacker corrupt memory. Business impact is moderate because exploitation requires local access, but affected managed or BYOD Samsung devices should be brought to the July 2023 security release level.
Executive priority
Treat this as a routine but necessary mobile patching item. It is not presented as internet-exploitable or actively exploited in the provided sources, but outdated Samsung devices may carry avoidable local compromise risk.
Technical view
CVE-2023-30663 is CWE-20 improper input validation in OemPersonalizationSetLock within libsec-ril before Samsung SMR Jul-2023 Release 1. The reported consequence is an out-of-bounds write with limited confidentiality, integrity, and availability impact. CVSS 3.1 is 5.3 with local attack vector and low privileges required.
Likely exposure
Exposure is limited to Samsung Mobile Devices running software before SMR Jul-2023 Release 1. The source bundle does not identify specific device models, Android versions, carrier variants, or enterprise configurations, so validation should use actual device patch levels rather than assumptions.
Exploitation context
The CVSS vector indicates local access, low privileges, and no user interaction. The CVE is not listed as KEV in the provided bundle, and no cited source states active exploitation. Public evidence in the bundle does not establish exploit availability.
Researcher notes
The public data is sparse: it names libsec-ril, OemPersonalizationSetLock, improper input validation, and out-of-bounds write. It does not provide model coverage, trigger conditions, patch diff detail, or exploitation evidence. Avoid extrapolating beyond Samsung's July 2023 advisory and CVE metadata.
Mitigation direction
- Deploy Samsung SMR Jul-2023 Release 1 or newer where available.
- Check Samsung Mobile Security Updates for device-specific update availability.
- Require managed Samsung devices to meet the July 2023 patch level.
- Restrict access for devices that cannot receive the vendor update.
- Monitor Samsung guidance for any revised affected-device information.
Validation and detection
- Inventory Samsung Mobile Devices in managed and BYOD environments.
- Record each device security patch level from MDM or device settings.
- Confirm affected devices are at SMR Jul-2023 Release 1 or newer.
- Identify unsupported or non-updatable Samsung devices for risk treatment.
- Document exceptions and compensating controls for remaining exposure.
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-20: 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-2023-30663 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
- 5.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
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:L/I:L/A:L1.83.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.3MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
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.
Improper Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.