VulnerabilityModified
CVE-2021-1820
Processing maliciously crafted web content may result in the disclosure of process memory.
MEDIUM 6.5EPSS 1.34%
Does this matter?
Lower severity and a low EPSS score (1.34%). Track it; it rarely justifies an emergency change on its own.
Description
A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may result in the disclosure of process memory.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- EPSS
- 1.34% probability · 70th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-665
- Affected
- apple/ipados · apple/iphone os · apple/macos · apple/tvos · apple/watchos
- Source
- product-security@apple.com
References
- https://support.apple.com/en-us/HT212317Vendor Advisory
- https://support.apple.com/en-us/HT212323Vendor Advisory
- https://support.apple.com/en-us/HT212324Vendor Advisory
- https://support.apple.com/en-us/HT212325Vendor Advisory
- https://support.apple.com/en-us/HT212317Vendor Advisory
- https://support.apple.com/en-us/HT212323Vendor Advisory
- https://support.apple.com/en-us/HT212324Vendor Advisory
- https://support.apple.com/en-us/HT212325Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.