CVE-2021-31010

7.5

CVSS
High

PUBLISHED

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...

Exploited in the wild Remote Low complexity No user interaction

Vendor: Apple
Product: macOS, watchOS
Published: Aug 24, 2021
EPSS: —

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..

macos ios cisa nessus_scanner

CVSS scores

CVSS v3.1 7.5 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v2.0 5.0

AV:N/AC:L/Au:N/C:N/I:P/A:N

Exploitation status

Exploited in the wild

Recorded 2022-08-25 00:00:00 UTC · Source

SSVC decision points

Exploitation: active
Automatable: Yes
Technical impact: partial

References

Known exploited vulnerability sources

Catalogues that list this CVE as a known exploited vulnerability.

Source	Added
CISA	Aug 25, 2022

Scanner integrations

Scanner	Reference	Detected
Nessus	https://www.tenable.com/plugins/nessus/153652	Jun 02, 2025

Vulnerability detail