CVE-2021-30786

low-risk

Published 2021-09-08

A race condition was addressed with improved state handling. This issue is fixed in iOS 14.7, macOS Big Sur 11.5. Opening a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution.

Do I need to act?

0.21% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.0/10 High

LOCAL / HIGH complexity

Affected Products (2)

Iphone Os

Macos

Affected Vendors

Apple

References (4)

Release Notes https://support.apple.com/en-us/HT212601

Release Notes https://support.apple.com/en-us/HT212602

Release Notes https://support.apple.com/en-us/HT212601

Release Notes https://support.apple.com/en-us/HT212602

/ 100

low-risk

Severity 18/34 · Moderate

Exploitability 1/34 · Minimal

Exposure 7/34 · Low