SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-30975

This issue was addressed by disabling execution of JavaScript when viewing a scripting dictionary.

HIGH 8.6EPSS 1.80%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.80%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

This issue was addressed by disabling execution of JavaScript when viewing a scripting dictionary. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. A malicious OSAX scripting addition may bypass Gatekeeper checks and circumvent sandbox restrictions.

CVSS 3.1
8.6 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS
1.80% probability · 77th percentile
CISA KEV
Not listed
Weakness
CWE-863
Affected
apple/mac os x · apple/macos
Source
product-security@apple.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.