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CVE Record

CVE-2023-30937: In telephony service, there is a missing permission check.

In telephony service, there is a missing permission check. This could lead to local information disclosure with no additional execution privileges needed.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2023-30937 is a missing permission check in a Unisoc telephony service. A local actor could disclose information without needing extra execution privileges. Public sources do not provide a CVSS score, impact detail, named patch level, or evidence of active exploitation.

Executive priority

Treat this as a mobile fleet hygiene issue until vendor or OEM guidance confirms exposure. Business urgency is moderate in environments with Unisoc-based Android devices handling sensitive communications, but the public record lacks severity scoring and exploitation evidence.

Technical view

The CVE describes improper authorization in telephony service logic, resulting in local information disclosure. The affected listing names multiple Unisoc chipsets across Android 10, 11, 12, and 13. No CWE, CVSS vector, exploit mechanism, or remediation detail is included in the supplied sources.

Likely exposure

Likely exposure is Android devices using the listed Unisoc chipsets and Android versions. Confirmation requires matching device hardware, firmware build, and OEM security bulletin status. The sources do not identify specific phone models or carriers.

Exploitation context

The source states local information disclosure with no additional execution privileges needed. It does not state remote exploitation, privilege escalation, public exploit availability, or active exploitation. CISA KEV status is false in the provided bundle.

Researcher notes

Evidence is sparse. The useful anchors are affected chipset and Android version lists, local attack context, and information disclosure impact. Avoid assuming affected phone models, reachable interfaces, or fixed builds unless confirmed by Unisoc or OEM advisories.

Mitigation direction

  • Identify devices using the listed Unisoc chipsets and Android 10 through Android 13.
  • Check Unisoc and OEM security guidance for fixed firmware or Android security updates.
  • Prioritize firmware updates for affected mobile fleets where vendor guidance confirms applicability.
  • Reduce exposure by limiting untrusted local app installation on potentially affected devices.

Validation and detection

  • Inventory device models, chipsets, Android versions, and current security patch levels.
  • Map fleet devices against the affected Unisoc chipset and Android version list.
  • Review OEM or carrier bulletins for CVE-2023-30937 remediation status.
  • Confirm updated devices no longer match vendor-defined affected firmware criteria.
Prepared
Confidence
medium
Sources
3

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-2023-30937 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.

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.