What is CVE-2021-31010?

CVE-2021-31010 is a vulnerability in Apple Macos. Published 2021-08-24.

Is CVE-2021-31010 known to be exploited?

Yes. CVE-2021-31010 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-08-25), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.

Vulnerability in Apple Macos

CVE-2021-31010

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 circum…

EPSS: 0.007 (72.9th percentile) — read the EPSS interpretation.

Affected products

Apple Macos — versions unspecified
Apple Watchos — versions unspecified

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-08-25. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-09-15.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

support.apple.com/en-us/HT212804 (x_refsource_MISC)
support.apple.com/en-us/HT212805 (x_refsource_MISC)
support.apple.com/en-us/HT212807 (x_refsource_MISC)
support.apple.com/en-us/HT212806 (x_refsource_MISC)
support.apple.com/en-us/HT212824 (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-31010?: CVE-2021-31010 is a vulnerability in Apple Macos. Published 2021-08-24.
Is CVE-2021-31010 known to be exploited?: Yes. CVE-2021-31010 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-08-25), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.