CVE-2021-31010
HighActively exploited (CISA KEV)
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..
SeverityHigh
CVSS7.5
Exploit probability—
Product
Apple iOS, macOS, watchOS
PublishedAug 24, 2021
First seenAug 24, 2021
Added to KEVAug 25, 2022
Weakness typeCWE-502Deserialization of untrusted data
How to fix
CISA required action
Apply updates per vendor instructions.
CISA due date: Sep 15, 2022Update
- apple ipados14.8 or later
- apple iphone_os12.5.5, 14.8 or later
- apple mac_os_x10.15.7 or later
- apple macos11.6 or later
- apple watchos7.6.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple ipados | v < 14.8 | 14.8 |
| apple iphone_os | 12.0 ≤ v < 12.5.5, 14.0 ≤ v < 14.8 | 12.5.5, 14.8 |
| apple mac_os_x | 10.15 ≤ v < 10.15.7, 10.15.7 | 10.15.7 |
| apple macos | 11.0 ≤ v < 11.6 | 11.6 |
| apple watchos | v < 7.6.2 | 7.6.2 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.