What’s Vulnerable › Vulnerabilities

CVE-2021-31002

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-08-24 · updated 2026-06-17
• Weakness: CWE-125

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Monterey 12.0.1, macOS Big Sur 11.6.2. A malicious application may be able to execute arbitrary code with system privileges.

Affected products

• Apple macOS: from 11.6 before 11.6.2; 12.0.0 — fixed in 11.6.2

How to fix

Upgrade to a fixed version: Apple macOS 11.6.2. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT212869
• https://support.apple.com/en-us/HT212979
• https://support.apple.com/en-us/HT212869
• https://support.apple.com/en-us/HT212979

Get alerted when CVE-2021-31002 or the next vulnerability affects your stack