Exploited
high
7.1
CWE
665
Advisory Published
CVE Published
Updated

CVE-2020-27950: Apple Multiple Products Memory Initialization Vulnerability

First published: Thu Nov 05 2020(Updated: )

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.

Credit: Google Project Zero product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple Multiple Products
Apple macOS<11.0.1
11.0.1
macOS High Sierra
macOS Mojave
Apple iOS, iPadOS, and watchOS<14.2
iOS<12.4.9
iOS>=14.0<14.2
Apple iOS and macOS<10.15.7
Apple iOS and macOS>=11.0<11.0.1
Apple iOS, iPadOS, and watchOS<5.3.9
Apple iOS, iPadOS, and watchOS>=6.0<6.2.9
Apple iOS, iPadOS, and watchOS>=7.0<7.1
Apple iOS, iPadOS, and watchOS<12.4.9
12.4.9
Apple iOS, iPadOS, and watchOS<14.2
14.2
Apple iOS, iPadOS, and watchOS<14.2
14.2
Apple iOS, iPadOS, and watchOS<5.3.9
5.3.9
Apple iOS, iPadOS, and watchOS<6.2.9
6.2.9
Apple iOS, iPadOS, and watchOS<7.1
7.1
Apple macOS Supplemental Update<10.15.7
10.15.7
Apple macOS Catalina Update<10.15.7
10.15.7

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID?

    The vulnerability ID is CVE-2020-27950.

  • Which products are affected by CVE-2020-27950?

    Apple iOS, iPadOS, macOS, and watchOS are affected by CVE-2020-27950.

  • What is the impact of CVE-2020-27950?

    CVE-2020-27950 may allow a malicious application to disclose kernel memory.

  • Which versions of iOS are affected by CVE-2020-27950?

    iOS versions up to and exclusive of 12.4.9 and versions up to and exclusive of 14.2 are affected by CVE-2020-27950.

  • Which versions of watchOS are affected by CVE-2020-27950?

    watchOS versions up to and exclusive of 6.2.9 and versions up to and exclusive of 5.3.9 are affected by CVE-2020-27950.

  • Which versions of macOS are affected by CVE-2020-27950?

    macOS Catalina Supplemental Update up to and exclusive of 10.15.7, macOS Catalina Update up to and exclusive of 10.15.7, and macOS Big Sur up to and exclusive of 11.0.1 are affected by CVE-2020-27950.

  • Where can I find more information about CVE-2020-27950?

    You can find more information about CVE-2020-27950 on the Apple support website: [link1], [link2], [link3].

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