SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-30969

Processing a maliciously crafted URL may cause unexpected JavaScript execution from a file on disk.

HIGH 7.8EPSS 1.10%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.10%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
1.10% probability · 64th percentile
CISA KEV
Not listed
Affected
apple/mac os x · apple/macos
Source
product-security@apple.com

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