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CVE Record

CVE-2023-33886: 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 flaw in Unisoc Android telephony service code that could let a local actor disclose information without needing extra privileges. The sources do not provide CVSS, affected firmware builds, exploit details, or a named patch level.

Executive priority

Treat this as a targeted asset-identification and patch-status task, not an emergency response, unless your fleet includes sensitive Unisoc-based Android devices or new exploitation evidence appears.

Technical view

CVE-2023-33886 is a missing permission check in the telephony service affecting listed Unisoc chipsets running Android 10 through Android 13. The stated impact is local information disclosure with no additional execution privileges required. The available bundle does not identify the exposed data, attack preconditions beyond local access, or fixed versions.

Likely exposure

Exposure is most likely on Android devices using the listed Unisoc chipsets and Android 10, 11, 12, or 13. Business exposure depends on OEM firmware lineage and whether vendor security updates were applied.

Exploitation context

The provided sources do not show active exploitation, and the CVE is not marked as CISA KEV. The issue is local, so risk is tied to device access, installed apps, and endpoint control maturity.

Researcher notes

Public detail is sparse: no CVSS vector, CWE, patch version, or exploit status is included. Analysis should stay constrained to the stated telephony permission-check flaw and local information disclosure impact.

Mitigation direction

  • Inventory Android devices using listed Unisoc chipsets and Android versions.
  • Check Unisoc and OEM advisories for fixed firmware or security updates.
  • Apply available OEM firmware and Android security updates through managed deployment.
  • Limit installation of untrusted apps on potentially affected devices.
  • Prioritize managed or high-sensitivity devices for vendor status checks.

Validation and detection

  • Confirm device chipset, Android version, and OEM firmware build.
  • Compare installed firmware against Unisoc and OEM security guidance.
  • Check mobile device management records for update compliance.
  • Review app installation controls on affected device groups.
  • Track vendor advisories for patch identifiers or mitigation 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.

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CVE-2023-33886 mapping review

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

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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.