CVE-2023-40435

Name: CVE-2023-40435
Creator: NVD / NIST
Published: 2023-09-27T15:19:15.613+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.24%

Last modified Jun 17, 2026

CVE-2023-40435 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. This issue was addressed by enabling hardened runtime. This issue is fixed in Xcode 15. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

Description

This issue was addressed by enabling hardened runtime. This issue is fixed in Xcode 15. An app may be able to access App Store credentials.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS Probability

0.24%

14.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Apple	Xcode	< 15.0

References

http://seclists.org/fulldisclosure/2023/Oct/7Mailing List, Third Party Advisory
https://support.apple.com/en-us/HT213939Release Notes, Vendor Advisory
http://seclists.org/fulldisclosure/2023/Oct/7Mailing List, Third Party Advisory
https://support.apple.com/en-us/HT213939Release Notes, Vendor Advisory
https://support.apple.com/kb/HT213939

Timeline

Published: Sep 27, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-40435?

This issue was addressed by enabling hardened runtime. This issue is fixed in Xcode 15. An app may be able to access App Store credentials.

How severe is CVE-2023-40435?

CVE-2023-40435 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.

How do I fix CVE-2023-40435?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-40435?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST