CVE-2020-27920
moderate-risk
Published 2021-04-02
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, watchOS 7.1, tvOS 14.2. Processing maliciously crafted web content may lead to code execution.
Do I need to act?
-
0.48% chance of exploitation
EPSS score — low 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 Vendors
References (10)
Vendor Advisory
https://support.apple.com/en-us/HT211928
Vendor Advisory
https://support.apple.com/en-us/HT211929
Vendor Advisory
https://support.apple.com/en-us/HT211930
Vendor Advisory
https://support.apple.com/en-us/HT211931
Vendor Advisory
https://support.apple.com/en-us/HT212011
Vendor Advisory
https://support.apple.com/en-us/HT211928
Vendor Advisory
https://support.apple.com/en-us/HT211929
Vendor Advisory
https://support.apple.com/en-us/HT211930
Vendor Advisory
https://support.apple.com/en-us/HT211931
Vendor Advisory
https://support.apple.com/en-us/HT212011
44
/ 100
moderate-risk
Severity
30/34 · Critical
Exploitability
2/34 · Minimal
Exposure
12/34 · Low