What is CVE-2021-30969?

CVE-2021-30969 is a high-severity vulnerability in Apple macOS. CVSS score: 7.8/10. Published 2021-08-24.

How severe is CVE-2021-30969?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Apple macOS

CVE-2021-30969

A path handling issue was addressed with improved validation. This issue is fixed in Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. Processing a maliciously crafted URL may cause unexpected JavaScript execution from a file on disk.

EPSS: 0.011 (62.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Apple Macos — versions unspecified
Apple Mac_os_x — versions 10.15.7

References

product-security@apple.com (x_refsource_MISC)
product-security@apple.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-30969?: CVE-2021-30969 is a high-severity vulnerability in Apple macOS. CVSS score: 7.8/10. Published 2021-08-24.
How severe is CVE-2021-30969?: High severity. CVSS v3 base score is 7.8 out of 10.