Is CVE-2021-31010 actively exploited?

CVE-2021-31010 has no public evidence of in-the-wild exploitation as of 2025-10-23.

What is the CVSS score for CVE-2021-31010?

CVE-2021-31010 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

How do I patch CVE-2021-31010?

Patch guidance is available from apple security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-31010.

Fix CVE-2021-31010 - HIGH apple ipados

Q: Which products are affected by CVE-2021-31010?

22 products: apple ipados, apple iphone os, apple iphone os, apple mac os x, apple mac os x, and 17 more.

Description

A deserialization issue was addressed through improved validation. This issue is fixed in Security Update 2021-005 Catalina, iOS 12.5.5, iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, watchOS 7.6.2. A sandboxed process may be able to circumvent sandbox restrictions. Apple was aware of a report that this issue may have been actively exploited at the time of release..

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: high
Availability: none
Weaknesses: CWE-502 · Insecure Deserialization CWE-502 · Insecure Deserialization

Metadata

Primary Vendor: APPLE
Published: 8/24/2021
Last Modified: 10/23/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

apple : ipadosapple : iphone_osapple : iphone_osapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : macosapple : watchos

Remediation Guidance

Executive Summary

View on NIST NVD