What is CVE-2025-24191?

CVE-2025-24191 is a medium-severity vulnerability in Apple macOS, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2025-03-31.

How severe is CVE-2025-24191?

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

Improper input validation in Apple macOS

CVE-2025-24191

The issue was addressed with improved validation of environment variables. This issue is fixed in macOS Sequoia 15.4. An app may be able to modify protected parts of the file system.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2025-03-31 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.003 (18.9th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 18.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Apple macOS — versions 0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

support.apple.com/en-us/122373 (Release Notes, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2025-24191?: CVE-2025-24191 is a medium-severity vulnerability in Apple macOS, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2025-03-31.
How severe is CVE-2025-24191?: Medium severity. CVSS v3 base score is 5.5 out of 10.