Security readout for executives and security teams
Plain-English summary
CVE-2023-20604 is a MediaTek Android platform flaw in the ged component. A local attacker with high existing privileges could potentially gain higher privileges because of an out-of-bounds write. It does not require user interaction, but it is not a remote, unauthenticated issue.
Executive priority
Treat as a moderate mobile endpoint risk. It is most urgent where affected MediaTek Android devices handle sensitive business data and cannot be reliably patched through OEM updates.
Technical view
The source describes a CWE-787 out-of-bounds write in ged caused by a missing bounds check. CVSS 3.1 is 6.7 with AV:L/AC:L/PR:H/UI:N/S:U and high confidentiality, integrity, and availability impact. MediaTek tracks the fix as ALPS07494067.
Likely exposure
Exposure is limited to devices using listed MediaTek chipsets running Android 11.0, 12.0, or 13.0 where OEM firmware has not incorporated the MediaTek February 2023 fix.
Exploitation context
The bundle does not show CISA KEV listing or cited evidence of active exploitation. Exploitation is local and requires high privileges, but no user interaction is needed once those privileges exist.
Researcher notes
Public details identify the component, weakness class, affected chipsets, Android versions, and patch ID, but not root-cause code, affected binaries, or a proof of concept. Avoid assuming exploitability beyond the local high-privilege CVSS context.
Mitigation direction
- Apply OEM Android firmware updates that include MediaTek patch ALPS07494067.
- Check MediaTek and device-vendor security bulletins for affected model coverage.
- Prioritize managed Android devices with affected MediaTek chipsets.
- Retire or isolate devices that cannot receive patched firmware.
Validation and detection
- Inventory Android devices for MediaTek chipset and Android version.
- Confirm OEM security update includes the February 2023 MediaTek bulletin fix.
- Verify device patch level through MDM or vendor firmware records.
- Track exceptions for unsupported or unpatchable affected devices.
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.
CWE-787: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2023-20604 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
- Medium
- CVSS
- 6.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H0.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.7MediumVector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://corp.mediatek.com/product-security-bulletin/February-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.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.