VulnerabilityModified
CVE-2021-30916
A memory corruption issue was addressed with improved memory handling.
HIGH 7.8EPSS 1.56%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.56%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.56% probability · 74th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- apple/ipad os · apple/ipados · apple/iphone os · apple/mac os x · apple/macos · apple/tvos · apple/watchos
- Source
- product-security@apple.com
References
- http://seclists.org/fulldisclosure/2021/Dec/43
- http://seclists.org/fulldisclosure/2021/Dec/44
- https://support.apple.com/en-us/HT212867
- https://support.apple.com/en-us/HT212868
- https://support.apple.com/en-us/HT212869
- https://support.apple.com/en-us/HT212871
- https://support.apple.com/en-us/HT212872
- https://support.apple.com/kb/HT212975
- https://support.apple.com/kb/HT212980
- http://seclists.org/fulldisclosure/2021/Dec/43
- http://seclists.org/fulldisclosure/2021/Dec/44
- https://support.apple.com/en-us/HT212867
- https://support.apple.com/en-us/HT212868
- https://support.apple.com/en-us/HT212869
- https://support.apple.com/en-us/HT212871
- https://support.apple.com/en-us/HT212872
- https://support.apple.com/kb/HT212975
- https://support.apple.com/kb/HT212980
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.