LiveActive security incident?Get immediate response
CVE Record

CVE-2023-30938: 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

This CVE describes a missing permission check in Unisoc’s telephony service. A local actor could access information without needing extra execution privileges. The public record does not provide CVSS, detailed impact scope, exploit evidence, or a confirmed patch path.

Executive priority

Treat this as a targeted fleet exposure question, not an internet-wide emergency. Prioritize device inventory and OEM update confirmation for Unisoc-based Android assets, especially managed mobile or embedded deployments handling sensitive communications metadata.

Technical view

CVE-2023-30938 affects listed Unisoc platforms running Android 10 through Android 13. The flaw is an authorization issue in telephony service permission enforcement, resulting in local information disclosure. The source bundle does not identify a CWE, CVSS vector, affected firmware builds, or technical root-cause details.

Likely exposure

Exposure is most relevant to Android devices using the listed Unisoc chipsets or platforms: SC9863A, SC9832E, SC7731E, T310, T606, T610, T612, T616, T618, T760, T770, T820, and S8000 on Android 10-13.

Exploitation context

The source bundle does not show CISA KEV listing or other evidence of active exploitation. The issue is local, not remotely exploitable based on the provided description, but it requires only local access and no additional execution privileges.

Researcher notes

Public evidence is thin: no CVSS, CWE, patch version, or exploit detail is included in the bundle. Analysis should stay anchored to local information disclosure in telephony service and avoid assuming broader privilege escalation or remote attack paths.

Mitigation direction

  • Check Unisoc and device OEM guidance for CVE-2023-30938 coverage.
  • Apply OEM firmware or Android security updates if they reference this CVE.
  • Limit untrusted local app installation on potentially affected devices.
  • Prioritize managed-device fleets using listed Unisoc platforms for review.

Validation and detection

  • Inventory Android devices by chipset, platform, OS version, and firmware build.
  • Match devices against the Unisoc affected platform and Android version list.
  • Review OEM release notes for CVE-2023-30938 or related telephony fixes.
  • Confirm whether affected devices have received relevant vendor security updates.
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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cve · low confidence lookup

CVE-2023-30938 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
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.