CVE-2020-27899: Use After Free

Published Nov 5, 2020
·
Updated

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.2 and iPadOS 14.2, macOS Big Sur 11.0.1, watchOS 7.1, tvOS 14.2. A local attacker may be able to elevate their privileges.

Other sources

Symptom Framework. A use after free issue was addressed with improved memory management.

Credit

08Tc3wBB(ZecOps)

Affected Software

10 affected componentsFixes available
Apple macOS Big Sur<11.0.1
11.0.1
Apple tvOS<14.2
14.2
Apple WatchOS<7.1
7.1
Apple iOS<14.2
14.2
Apple iPadOS<14.2
14.2
Apple iPadOS<14.2
Apple iPhone OS<14.2
Apple macOS<11.0.1
Apple tvOS<14.2
Apple WatchOS<7.1

Event History

Apr 2, 2021
CVE Published
via MITRE·05:27 PM
Data Sourced
via MITRE·05:27 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is CVE-2020-27899?

CVE-2020-27899 is a vulnerability in the Symptom Framework that allows for a use after free issue due to improper memory management.

2

Which software is affected by CVE-2020-27899?

CVE-2020-27899 affects Apple iOS up to version 14.2, Apple iPadOS up to version 14.2, Apple tvOS up to version 14.2, Apple macOS Big Sur up to version 11.0.1, and Apple watchOS up to version 7.1.

3

What is the severity of CVE-2020-27899?

The severity of CVE-2020-27899 is not specified, but it is a use after free vulnerability that can lead to code execution or information disclosure.

4

How can I fix CVE-2020-27899?

To fix CVE-2020-27899, update your Apple devices to the latest available version of their respective operating systems.

5

Where can I find more information about CVE-2020-27899?

You can find more information about CVE-2020-27899 on the official Apple support website.

Contact

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