Security readout for executives and security teams
Plain-English summary
CVE-2023-20766 is a MediaTek GPS component memory-safety issue affecting listed chipsets on Android 11, 12, and 13. Public sources describe possible local privilege escalation without user interaction, but also state System execution privileges are needed. Business urgency depends on whether your fleet contains affected MediaTek-based Android devices and whether OEM firmware includes the July 2023 fix.
Executive priority
Treat this as a fleet hygiene and vendor patch verification item, not an emergency based on current evidence. It deserves timely remediation where affected MediaTek Android devices exist, especially if devices handle sensitive business data or cannot be centrally managed.
Technical view
The issue is described as an out-of-bounds write in gps caused by a missing bounds check. MediaTek identifies Patch ID ALPS07573237 and Issue ID ALPS07573202. The public bundle does not provide CVSS, CWE, exploit details, or confirmed affected firmware builds beyond the listed SoCs and Android versions.
Likely exposure
Exposure is most likely in Android devices using the listed MediaTek chipsets running Android 11, 12, or 13. Organizations using unmanaged Android handsets, tablets, rugged devices, or embedded Android systems should verify chipset and OEM patch status.
Exploitation context
The sources do not report active exploitation, and the CVE is not in KEV. Exploitation is described as local, requiring no user interaction, with System execution privileges needed according to the CVE text. No public exploit method is provided in the supplied sources.
Researcher notes
Evidence is limited to the CVE record and MediaTek bulletin metadata. The privilege requirement wording is important: sources state System execution privileges are needed, which may constrain practical exposure. Avoid assuming broader Android impact beyond listed MediaTek products and versions.
Mitigation direction
- Identify affected MediaTek-based Android devices in enterprise inventory.
- Apply OEM firmware updates that include MediaTek Patch ID ALPS07573237.
- If no update is available, check device vendor guidance and support status.
- Prioritize managed devices running Android 11, 12, or 13 on affected chipsets.
Validation and detection
- Compare device chipsets against the affected MediaTek product list.
- Verify Android version and vendor security update level for each device.
- Confirm OEM release notes reference the July 2023 MediaTek fix or equivalent patch.
- Track unsupported affected devices for replacement or compensating controls.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-2023-20766 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://corp.mediatek.com/product-security-bulletin/July-2023CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.