Security readout for executives and security teams
Plain-English summary
CVE-2023-20602 affects MediaTek chipsets used in Android devices. A flaw in the ged component can cause an out-of-bounds write after integer overflow, potentially allowing local privilege escalation. The issue is not remotely exploitable in the provided scoring and requires high privileges, but successful exploitation could affect confidentiality, integrity, and availability.
Executive priority
Treat this as a firmware hygiene and device lifecycle issue. It is not shown as actively exploited, but unpatched affected Android devices could allow a privileged local actor or chained attack to gain deeper system control.
Technical view
The vulnerability is CWE-190 integer overflow in MediaTek ged, leading to possible out-of-bounds write. CVSS 3.1 is 6.7: local attack vector, low complexity, high privileges required, no user interaction, unchanged scope, and high CIA impact. MediaTek lists patch ID ALPS07494107 for Android 10 through 13 on affected chipsets.
Likely exposure
Exposure is most likely on Android 10, 11, 12, or 13 devices using the listed MediaTek chipsets that have not received the relevant MediaTek or OEM security update.
Exploitation context
The provided sources do not report active exploitation, and the CVE is not marked as CISA KEV. Exploitation is local, needs high privileges, and does not require user interaction. Evidence is insufficient to assess public exploit availability.
Researcher notes
Focus validation on vendor image provenance, OEM patch mapping, and whether ged is present in deployed builds. The source bundle does not provide exploit details, affected device models, or standalone mitigations beyond MediaTek patch identification.
Mitigation direction
- Check MediaTek and OEM guidance for patch ALPS07494107.
- Apply the relevant February 2023 or later OEM Android security update.
- Prioritize managed Android devices with affected MediaTek chipsets.
- Retire or isolate devices that cannot receive vendor firmware updates.
Validation and detection
- Inventory Android devices by chipset and OS version.
- Identify devices using listed MediaTek MT67xx, MT68xx, or MT69xx chipsets.
- Verify OEM firmware includes patch ID ALPS07494107 or equivalent.
- Confirm Android security patch levels against vendor bulletins.
- Track unsupported devices as residual exposure.
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-190: 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-2023-20602 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.
Integer Overflow or Wraparound
Integer Overflow or Wraparound represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.