CVE-2021-30749

moderate-risk
Published 2021-09-08

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. Processing maliciously crafted web content may lead to arbitrary code execution.

Do I need to act?

~
1.3% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (6)

Affected Vendors

Apple

References (10)

Vendor Advisory https://support.apple.com/en-us/HT212528
Vendor Advisory https://support.apple.com/en-us/HT212529
Vendor Advisory https://support.apple.com/en-us/HT212532
Vendor Advisory https://support.apple.com/en-us/HT212533
Vendor Advisory https://support.apple.com/en-us/HT212534
Vendor Advisory https://support.apple.com/en-us/HT212528
Vendor Advisory https://support.apple.com/en-us/HT212529
Vendor Advisory https://support.apple.com/en-us/HT212532
Vendor Advisory https://support.apple.com/en-us/HT212533
Vendor Advisory https://support.apple.com/en-us/HT212534
47
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 4/34 · Minimal
Exposure 13/34 · Low