CVE-2020-27950

MediumActively exploited (CISA KEV)

Description

A memory initialization issue was addressed. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watchOS 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS 14.2 and iPadOS 14.2, watchOS 5.3.9, macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update. A malicious application may be able to disclose kernel memory.

SeverityMedium
CVSS5.5
Exploit probability—
ProductApple Multiple Products
PublishedDec 8, 2020
First seenDec 8, 2020
Added to KEVNov 3, 2021
Weakness typeCWE-665CWE-665

How to fix

CISA required action

Apply updates per vendor instructions.

CISA due date: May 3, 2022
Update
  • apple ipados14.2 or later
  • apple iphone_os12.4.9, 14.2 or later
  • apple macos10.15.7, 11.0.1 or later
  • apple watchos5.3.9, 6.2.9, 7.1 or later

Affected products

ProductAffected versionsFixed in
apple ipadosv < 14.214.2
apple iphone_osv < 12.4.9, 14.0 ≤ v < 14.212.4.9, 14.2
apple macosv < 10.15.7, 11.0 ≤ v < 11.0.110.15.7, 11.0.1
apple watchosv < 5.3.9, 6.0 ≤ v < 6.2.9, 7.0 ≤ v < 7.15.3.9, 6.2.9, 7.1

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