Security readout for executives and security teams
Plain-English summary
CVE-2023-20614 is a MediaTek Android chipset vulnerability in the radio interface layer. A local attacker with high existing privileges could trigger memory corruption and potentially gain further control. It is important for fleets using affected MediaTek-based Android devices, but the public sources do not show active exploitation.
Executive priority
Treat this as a targeted mobile fleet hygiene issue, not an internet-wide emergency. Patch affected MediaTek Android devices through normal expedited mobile update processes, with higher priority for managed devices handling sensitive business data.
Technical view
The issue is a missing bounds check in MediaTek ril that can cause an out-of-bounds write, mapped to CWE-787. CVSS 3.1 is 6.7 with local access, low complexity, high privileges required, no user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to Android 11, 12, and 13 devices using the listed MediaTek chipsets. The sources identify chipsets, not specific phone, tablet, or OEM device models, so asset confirmation requires hardware and firmware inventory.
Exploitation context
The source bundle states local exploitation, high privileges required, and no user interaction. CISA KEV status is false in the bundle, and no cited source reports active exploitation. Evidence is insufficient to claim public exploitation or remote attackability.
Researcher notes
Key constraints are local attack vector and PR:H. The advisory provides chipset and Android-version scope plus patch and issue IDs, but not vulnerable code details, affected OEM models, or exploit indicators. Avoid assuming impact beyond MediaTek ril on the listed platforms.
Mitigation direction
- Apply OEM Android security updates that include MediaTek patch ALPS07628615.
- Check MediaTek and device-vendor bulletins for firmware availability.
- Prioritize managed Android devices with affected MediaTek chipsets.
- Restrict untrusted apps and enforce mobile device management controls.
- Escalate unsupported affected devices for replacement planning.
Validation and detection
- Inventory Android devices by chipset, OS version, and security patch level.
- Map devices against the affected MediaTek chipset list.
- Confirm whether vendor firmware includes patch ALPS07628615.
- Review MDM telemetry for rooted or high-privilege app risk.
- Document devices without available OEM fixes 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-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-2023-20614 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.