CVEvulnerability

CVE-2021-31010

7.5 HIGH Known exploited Published 2021-08-24 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

Apple iOS, macOS, watchOS Sandbox Bypass Vulnerability — Apple iOS, macOS, watchOS

In affected versions of Apple iOS, macOS, and watchOS, a sandboxed process may be able to circumvent sandbox restrictions.

Added to KEV
2022-08-25
Remediation due
2022-09-15
Ransomware use
Unknown
Required action
Apply updates per vendor instructions.
Notes
https://support.apple.com/en-us/HT212804, https://support.apple.com/en-us/HT212805, https://support.apple.com/en-us/HT212806, https://support.apple.com/en-us/HT212807, https://support.apple.com/en-us/HT212824; https://nvd.nist.gov/vuln/detail/CVE-2021-31010
Status
Analyzed
Published
2021-08-24
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N
Weaknesses
CWE-502

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..

Affected configurations

• apple ipados (< 14.8) • apple iphone os (>= 12.0 < 12.5.5) • apple iphone os (>= 14.0 < 14.8) • apple mac os x (>= 10.15 < 10.15.7) • apple mac os x 10.15.7 • apple macos (>= 11.0 < 11.6) • apple watchos (< 7.6.2)

Related

Weakness · CWE (1)

  • CWE-502 Deserialization of Untrusted Data weakness

References