CVE-2021-31010
Apple macOS, Apple watchOS
Published 24 Aug 2021 · updated 17 Jun 2026 · Analyzed
7.5 High · CVSS 3.1, NVD
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 25 Aug 2022, with a remediation deadline of 15 Sept 2022 for US federal agencies.
Required action: Apply updates per vendor instructions.
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..
References
- support.apple.com/en-us/HT212804 · Vendor Advisory
- support.apple.com/en-us/HT212805 · Vendor Advisory
- support.apple.com/en-us/HT212806 · Vendor Advisory
- support.apple.com/en-us/HT212807 · Vendor Advisory
- support.apple.com/en-us/HT212824 · Vendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31010 · US Government Resource