Wiz
Vulnerability DatabaseCVE-2023-21097

CVE-2023-21097: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2023-21097 is a security vulnerability discovered in Android's Intent.java component, specifically in the toUriInner function. The vulnerability affects Android versions 11, 12, 12L, and 13. It was disclosed in the April 2023 Android Security Bulletin and assigned Android ID A-261858325 (Android Bulletin).

Technical details

The vulnerability exists due to a confused deputy issue in the toUriInner function of Intent.java. It has been assigned a CVSS v3.1 Base Score of 7.8 (HIGH) with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. The vulnerability requires local access but has low attack complexity and requires no user interaction for exploitation (NVD).

Impact

If successfully exploited, this vulnerability can lead to local privilege escalation without requiring additional execution privileges. The high CVSS score indicates potential severe impacts on confidentiality, integrity, and availability of the affected system (NVD).

Mitigation and workarounds

The vulnerability was addressed in the Android Security Bulletin for April 2023. Users should update their Android devices to the latest security patch level that includes fixes for this vulnerability (Android 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-2025-12819HIGH8.1
  • NixOSNixOS
  • pgbouncer
NoYesDec 03, 2025
CVE-2025-20777MEDIUM6.7
  • NixOSNixOS
  • android
NoNoDec 02, 2025
CVE-2025-65105MEDIUM5.3
  • NixOSNixOS
  • apptainer
NoYesDec 02, 2025
CVE-2025-20789MEDIUM4.4
  • NixOSNixOS
  • android
NoNoDec 02, 2025
CVE-2025-20788MEDIUM4.4
  • NixOSNixOS
  • android
NoNoDec 02, 2025

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