Wiz
Vulnerability DatabaseCVE-2023-20804

CVE-2023-20804: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2023-20804 is a security vulnerability discovered in MediaTek's imgsys component. The vulnerability was disclosed on August 7, 2023, affecting various MediaTek chipsets running Android 12.0, 13.0, and IOT-v23.0 (Yocto 4.0) operating systems. The affected hardware includes MT2713, MT6879, MT6895, MT6983, MT8188, MT8195, MT8395, and MT8673 chipsets (MediaTek Bulletin).

Technical details

The vulnerability is classified as an out-of-bounds write vulnerability (CWE-787) due to a missing bounds check in the imgsys component. It has been assigned a CVSS v3.1 base score of 6.7 MEDIUM (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H), indicating a moderate severity level (NVD).

Impact

The vulnerability could lead to local escalation of privilege with System execution privileges needed. The successful exploitation of this vulnerability does not require user interaction, making it particularly concerning for system security (MediaTek Bulletin).

Mitigation and workarounds

MediaTek has addressed this vulnerability through security patches identified as ALPS07199773 and ALPS07326384. The fix has been made available to device manufacturers who use the affected chipsets (NVD).

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-2026-22783HIGH8.1
  • NixOSNixOS
  • iris
NoYesJan 12, 2026
CVE-2026-0821MEDIUM6.9
  • NixOSNixOS
  • quickjs
NoNoJan 10, 2026
CVE-2025-68949MEDIUM5.3
  • NixOSNixOS
  • n8n
NoYesJan 13, 2026
CVE-2026-22784LOW2.3
  • NixOSNixOS
  • lychee
NoYesJan 12, 2026
CVE-2026-23497LOW1.3
  • NixOSNixOS
  • learning
NoYesJan 14, 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