What is CVE-2024-40842?

CVE-2024-40842 is a medium-severity vulnerability in Apple macOS, classified under Information Disclosure. CVSS score: 5.5/10. Published 2024-09-17.

How severe is CVE-2024-40842?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2024-40842 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Information disclosure in Apple macOS

CVE-2024-40842

An issue was addressed with improved validation of environment variables. This issue is fixed in macOS Sequoia 15. An app may be able to access user-sensitive data.

Vulnerability class: Information Disclosure

EPSS: 0.002 (13.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Apple Macos — versions 0

Weakness classification (CWE)

CWE-200 — Information Disclosure

Public proof-of-concept exploits

References

product-security@apple.com (Release Notes, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2024-40842?: CVE-2024-40842 is a medium-severity vulnerability in Apple macOS, classified under Information Disclosure. CVSS score: 5.5/10. Published 2024-09-17.
How severe is CVE-2024-40842?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2024-40842 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.