Security readout for executives and security teams
Plain-English summary
CVE-2023-20607 is a MediaTek firmware/component issue in ccu that can cause memory corruption from a race condition. It affects listed MediaTek chipsets running Android 11 or 12. The practical concern is local privilege escalation, but the published CVSS indicates exploitation requires local access, high privileges, and high attack complexity.
Executive priority
Treat this as a moderate mobile fleet hygiene issue, not an emergency unless affected devices are widely deployed and cannot be patched. The main action is confirming OEM firmware coverage and closing gaps.
Technical view
The issue is CWE-662, improper synchronization, in MediaTek ccu. The CVSS 3.1 vector is AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H, score 6.4. Affected products are MT6765, MT6768, and MT8786 on Android 11.0 and 12.0. MediaTek lists patch ID ALPS07512839.
Likely exposure
Exposure is most likely on Android devices using MT6765, MT6768, or MT8786 chipsets with Android 11 or 12 firmware that has not received the MediaTek/OEM fix for ALPS07512839.
Exploitation context
The source bundle does not show known active exploitation, and the CVE is not marked KEV. Exploitation is local, needs no user interaction, but requires high privileges and high complexity per CVSS, limiting typical remote business risk.
Researcher notes
Public evidence is limited to CVE and MediaTek bulletin metadata. No exploit details, CPEs, OEM model mapping, or workaround is provided. Validation depends on chipset inventory and OEM firmware advisory correlation.
Mitigation direction
- Apply OEM firmware updates that include MediaTek patch ALPS07512839.
- Check MediaTek and device-vendor bulletins for model-specific update availability.
- Prioritize shared, kiosk, managed, or high-risk Android device fleets.
- Restrict local administrative or high-privilege access where practical.
- Retire or isolate affected devices that cannot receive firmware fixes.
Validation and detection
- Inventory Android devices for MT6765, MT6768, and MT8786 chipsets.
- Identify devices running Android 11.0 or 12.0 firmware.
- Confirm OEM release notes include CVE-2023-20607 or ALPS07512839.
- Verify installed firmware/security patch levels against vendor guidance.
- Document unsupported affected models as residual risk.
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-662: 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-2023-20607 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
- 6.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:H/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:H/PR:H/UI:N/S:U/C:H/I:H/A:H0.55.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.4MediumVector: CVSS:3.1/AV:L/AC:H/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.
Improper Synchronization
Improper Synchronization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.