LiveActive security incident?Get immediate response
CVE Record

CVE-2023-20758: In cmdq, there is a possible memory corruption due to a missing bounds check.

In cmdq, there is a possible memory corruption due to a missing bounds check. This could lead to local denial of service with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07636133; Issue ID: ALPS07636130.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This vulnerability affects the MediaTek cmdq component on listed Android 12 and 13 chipsets. A missing bounds check can cause memory corruption and local denial of service. The source says exploitation needs System execution privileges and no user interaction.

Executive priority

Handle through normal mobile patch governance unless these chipsets are present in sensitive fleets. The issue is local and requires System privileges, but affected unmanaged or outdated devices can increase operational risk.

Technical view

CVE-2023-20758 is a MediaTek cmdq missing-bounds-check issue causing possible memory corruption. The documented impact is local denial of service with System execution privileges required. MediaTek lists Patch ID ALPS07636133 and Issue ID ALPS07636130, but no CVSS score or CWE is provided.

Likely exposure

Exposure is most likely on Android 12 or 13 devices using the specific MediaTek chipsets listed in the July 2023 bulletin. Organizations should treat exposure as device-firmware dependent, not application dependent.

Exploitation context

The provided sources do not cite active exploitation, and the CVE is not marked as CISA KEV. The source describes local exploitation requiring System execution privileges, which limits attacker reach but still matters for device stability and privilege-adjacent attack chains.

Researcher notes

Evidence is limited to MediaTek and CVE records. No exploit details, CVSS vector, CWE, or broader technical root-cause data are provided. Avoid extrapolating beyond cmdq, listed chipsets, Android 12 and 13, and local denial-of-service impact.

Mitigation direction

  • Check MediaTek July 2023 bulletin for vendor guidance.
  • Apply OEM firmware updates that include Patch ID ALPS07636133.
  • Prioritize managed Android devices running Android 12 or 13 on listed chipsets.
  • Track handset vendor advisories for model-specific update availability.

Validation and detection

  • Inventory Android devices by chipset and OS version.
  • Confirm whether devices use affected MediaTek SoCs listed in the bulletin.
  • Verify installed firmware includes the MediaTek July 2023 fix.
  • Document unsupported devices awaiting OEM firmware 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-2023-20758 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
MediaTek, Inc.MT6739, MT6768, MT6771, MT6781, MT6785, MT6833, MT6853, MT6853T, MT6873, MT6877, MT6883, MT6885, MT6889, MT6893, MT8786, MT8789, MT8797Android 12.0, 13.0Listed
Weakness

CWE details

No CWE listed

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