VulnerabilityModified

CVE-2021-30938

This issue was addressed with improved checks.

HIGH 7.7EPSS 0.32%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.32%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

This issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. A local user may be able to cause unexpected system termination or read kernel memory.

CVSS 3.1: 7.7 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS: 0.32% probability · 25th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Affected: apple/mac os x · apple/macos
Source: product-security@apple.com

EPSS trend

EPSS 0.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.