Wiz
Vulnerability DatabaseCVE-2024-20020

CVE-2024-20020: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2024-20020 is a vulnerability discovered in OPTEE, affecting various MediaTek chipsets including MT2713, MT2715, MT8173, MT8188, MT8195, MT8390, and MT8395 running Android 13.0. The vulnerability was reported externally and disclosed in March 2024 (MediaTek Bulletin).

Technical details

The vulnerability is classified as an out-of-bounds write (CWE-787) due to an incorrect bounds check in OPTEE. The severity is rated as MEDIUM with a CVSS v3.1 base score of 4.4 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N) (NVD).

Impact

The vulnerability could lead to local information disclosure if a malicious actor has already obtained System execution privileges. User interaction is not needed for exploitation (MediaTek Bulletin).

Exploitability

The vulnerability requires local access and high privileges for exploitation. No user interaction is needed for exploitation, and there are currently no reports of this vulnerability being exploited in the wild (CIS Advisory).

Mitigation and workarounds

The vulnerability affects Android 13.0 devices using the specified MediaTek chipsets. Users should apply appropriate security patches provided by their device manufacturers (MediaTek Bulletin).

Additional resources

Source: This report was generated using AI

Related NixOS vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-18713HIGH8.8
  • NixOS logoNixOS
  • i
NoNoAug 12, 2026
CVE-2026-18669HIGH8.8
  • NixOS logoNixOS
  • i
NoNoAug 12, 2026
CVE-2026-18235HIGH8.3
  • NixOS logoNixOS
  • i
NoNoAug 12, 2026
CVE-2026-17420MEDIUM6.3
  • NixOS logoNixOS
  • i
NoNoAug 12, 2026
CVE-2026-18250MEDIUM5
  • NixOS logoNixOS
  • i
NoNoAug 12, 2026

Free Vulnerability Assessment

Benchmark your Cloud Security Posture

Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.

Request assessment

Additional Wiz resources

Cloud Vulnerability DB

Cloud Vulnerability DB

A community-led vulnerabilities database

Cloud Threat Landscape

Cloud Threat Landscape

A threat intelligence database

PEACH

PEACH

A tenant isolation framework

Get a personalized demo

Ready to see Wiz in action?

"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management
Get a demo