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CVE Record

CVE-2023-33881: 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 affects certain Unisoc-based Android devices. A missing telephony-service permission check could let someone with local app or device access read information they should not access. The sources do not provide severity scoring, patch level details, or evidence of active exploitation.

Executive priority

Track this as a mobile fleet exposure item rather than an emergency based on current evidence. Prioritize identifying affected Unisoc devices and obtaining OEM update guidance.

Technical view

CVE-2023-33881 is a local information disclosure issue in the telephony service caused by a missing permission check. The affected list names multiple Unisoc chipsets/platforms on Android 10 through Android 13. Public sources do not include CVSS, CWE, detailed attack prerequisites, fixed versions, or validation indicators.

Likely exposure

Exposure appears limited to devices using the listed Unisoc platforms running Android 10, 11, 12, or 13. Confirm by hardware inventory, OEM firmware data, and mobile device management records.

Exploitation context

The source bundle says local information disclosure with no additional execution privileges needed. It does not state remote exploitability, public exploit availability, or active exploitation. KEV status is false.

Researcher notes

Evidence is sparse. The public record identifies a missing telephony-service permission check and local information disclosure, but omits CVSS, CWE, patch identifiers, proof-of-concept status, and concrete affected firmware ranges beyond platform and Android versions.

Mitigation direction

  • Inventory managed Android devices for the listed Unisoc platforms and Android versions.
  • Check Unisoc and device OEM guidance for fixed firmware or security updates.
  • Prioritize updates for devices handling sensitive calls, messages, or enterprise communications.
  • Limit use of unmanaged apps on potentially affected devices until vendor guidance is confirmed.

Validation and detection

  • Confirm device SoC model and Android version from MDM or OEM inventory data.
  • Compare firmware build and security patch level against Unisoc or OEM advisories.
  • Review mobile fleet for devices matching SC9863A, SC9832E, SC7731E, T-series, or S8000 entries.
  • Document unsupported or unpatchable affected devices for risk acceptance or replacement decisions.
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-2023-33881 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.