CVE-2023-40435
Xcode vulnerability analysis and mitigation

Overview

CVE-2023-40435 is a security vulnerability discovered in Apple's Xcode development environment, specifically affecting the iTMSTransporter component in versions prior to Xcode 15. The vulnerability was discovered by James Duffy (mangoSecure) and was officially disclosed on September 18, 2023. The issue affects systems running macOS Ventura 13.5 and later (Apple Support).

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 5.5 (MEDIUM) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N. This indicates that the vulnerability requires local access and user interaction to exploit, but can result in high confidentiality impact (NVD).

Impact

The vulnerability allows an application to potentially access App Store credentials, which could lead to unauthorized access to sensitive authentication information (Apple Support).

Exploitability

The vulnerability requires local access and user interaction to exploit. No public exploits or active exploitation in the wild have been reported at the time of disclosure (NVD).

Mitigation and workarounds

Apple has addressed this vulnerability by enabling hardened runtime in Xcode 15. Users are advised to update to Xcode 15 or later versions to mitigate this security issue. The update can be obtained from the official Apple developer website (Apple Support, Full Disclosure).

Additional resources


SourceThis report was generated using AI

Related Xcode vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2025-43505HIGH8.8
  • Xcode logoXcode
  • GNU
NoYesNov 04, 2025
CVE-2026-28889MEDIUM6.2
  • Xcode logoXcode
  • Simulator
NoYesMar 25, 2026
CVE-2026-28890MEDIUM5.5
  • Xcode logoXcode
  • otool
NoYesMar 25, 2026
CVE-2025-43504MEDIUM4.9
  • Xcode logoXcode
  • lldb
NoYesNov 04, 2025
CVE-2025-31186LOW3.3
  • Xcode logoXcode
  • Playgrounds
NoYesJan 16, 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

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