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CVE Record

CVE-2023-30928: In telephony service, there is a possible missing permission check.

In telephony service, there is a possible missing permission check. This could lead to local escalation of privilege with no additional execution privileges.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This CVE describes a missing permission check in a Unisoc Android telephony service. On affected devices, a local attacker could potentially gain higher privileges without already having special execution privileges. The public source bundle does not provide CVSS scoring, exploit details, or confirmed active exploitation.

Executive priority

Treat this as a mobile fleet hygiene and update-priority issue. Business urgency rises if the organization uses low-cost Android devices, embedded Android hardware, or field devices based on Unisoc chipsets. Evidence is insufficient to claim emergency exploitation pressure.

Technical view

CVE-2023-30928 affects specified Unisoc chipsets running Android 10 through Android 13. The issue is described as a possible missing permission check in telephony service, leading to local escalation of privilege. The available sources do not name a CWE, CVSS vector, patch level, or detailed vulnerable code path.

Likely exposure

Exposure is most likely on Android devices using the listed Unisoc chipsets: SC9863A, SC9832E, SC7731E, T310, T606, T610, T612, T616, T618, T760, T770, T820, S8000, running Android 10, 11, 12, or 13.

Exploitation context

The CVE is not listed as KEV in the provided bundle, and no cited source reports active exploitation. The described requirement is local access or local code execution context; the sources do not support remote exploitation claims.

Researcher notes

The public record is sparse: no CVSS, CWE, code path, exploit primitive, affected firmware builds, or patch identifiers are provided in the bundle. Keep analysis constrained to local privilege escalation in Unisoc telephony service and avoid assuming broader Android impact.

Mitigation direction

  • Check Unisoc and device OEM guidance for fixed firmware or security updates.
  • Update affected Android devices through OEM, carrier, or enterprise device-management channels.
  • Prioritize devices with listed Unisoc chipsets on Android 10 through Android 13.
  • Restrict untrusted app installation on potentially affected mobile fleets.
  • Monitor vendor advisories because the source bundle does not name a specific patch level.

Validation and detection

  • Inventory Android devices by chipset model, OEM, Android version, and firmware build.
  • Compare affected models against the Unisoc advisory and CVE record.
  • Confirm whether OEM security updates include CVE-2023-30928 remediation.
  • Review mobile fleet controls for sideloading restrictions and app trust policies.
  • Document any devices that cannot receive firmware updates for risk acceptance or replacement.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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

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CVE-2023-30928 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Unisoc (Shanghai) Technologies Co., Ltd.SC9863A/SC9832E/SC7731E/T610/T310/T606/T760/T610/T618/T606/T612/T616/T760/T770/T820/S8000Android10/Android11/Android12/Android13unaffected
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.