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CVE Record

CVE-2023-20767: In pqframework, there is a possible out of bounds write due to a missing bounds check.

In pqframework, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07629585; Issue ID: ALPS07629584.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2023-20767 is a MediaTek pqframework flaw that may allow an out-of-bounds memory write and local privilege escalation. Public sources say System execution privileges are needed and no user interaction is required. Exposure is mainly Android 12 and 13 devices using the listed MediaTek chipsets.

Executive priority

Treat as a targeted device hygiene issue, not a confirmed emergency. Prioritize patch verification for fleets using affected MediaTek-based Android devices, especially where compromised local components could affect sensitive operations.

Technical view

The issue is a missing bounds check in pqframework causing a possible out-of-bounds write. MediaTek lists affected chipsets including MT6879, MT6886, MT6895, MT6983, MT6985, MT8167, MT8168, MT8195, and MT8673 on Android 12.0 and 13.0. Patch ID is ALPS07629585; Issue ID is ALPS07629584.

Likely exposure

Organizations may be exposed through mobile, tablet, embedded, or managed Android devices containing the affected MediaTek chipsets and running Android 12.0 or 13.0.

Exploitation context

The source bundle does not show CISA KEV listing or confirmed active exploitation. The vulnerability is local, requires System execution privileges according to the CVE description, and does not require user interaction.

Researcher notes

Public detail is sparse: no CVSS, CWE, exploit status, or technical advisory beyond the out-of-bounds write description and patch identifier. Avoid assuming remote exploitability or affected products beyond MediaTek's listed chipsets and Android versions.

Mitigation direction

  • Inventory Android devices for affected MediaTek chipsets and Android 12 or 13.
  • Apply OEM firmware updates that include MediaTek patch ALPS07629585.
  • Check MediaTek and device-vendor bulletins for product-specific update availability.
  • Prioritize managed or high-trust devices where local privilege boundaries matter.

Validation and detection

  • Confirm device chipset models against MediaTek's affected product list.
  • Verify Android version is not an affected 12.0 or 13.0 build without the patch.
  • Check OEM patch notes for ALPS07629585 or the July 2023 MediaTek bulletin.
  • Confirm mobile device management reports show updated firmware levels.
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.

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CVE-2023-20767 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
MediaTek, Inc.MT6879, MT6886, MT6895, MT6983, MT6985, MT8167, MT8168, MT8195, MT8673Android 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.