CVE-2020-9906

Name: CVE-2020-9906
Creator: NVD / NIST
Published: 2020-10-22T19:15:14.4+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 4.69%

Last modified Jun 17, 2026

CVE-2020-9906 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, watchOS 6.2.8. EPSS estimates a 4.69% chance of exploitation in the next 30 days.

Description

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, watchOS 6.2.8. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.

Metrics

CVSS 3.1

9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

EPSS Probability

4.69%

90.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Apple	Ipados	< 13.6
Apple	Iphone Os	< 13.6
Apple	Mac Os X	>= 10.13, < 10.13.6
Apple	Mac Os X	>= 10.14, < 10.14.6
Apple	Mac Os X	>= 10.15, < 10.15.6
Apple	Mac Os X	10.13.6
Apple	Mac Os X	10.14.6
Apple	Watchos	< 6.2.8

References

http://packetstormsecurity.com/files/162119/iOS-macOS-Radio-Proximity-Kernel-Memory-Corruption.htmlThird Party Advisory, VDB Entry
https://support.apple.com/kb/HT211288Vendor Advisory
https://support.apple.com/kb/HT211289Vendor Advisory
https://support.apple.com/kb/HT211291Vendor Advisory
http://packetstormsecurity.com/files/162119/iOS-macOS-Radio-Proximity-Kernel-Memory-Corruption.htmlThird Party Advisory, VDB Entry
https://support.apple.com/kb/HT211288Vendor Advisory
https://support.apple.com/kb/HT211289Vendor Advisory
https://support.apple.com/kb/HT211291Vendor Advisory

Timeline

Published: Oct 22, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-9906?

How severe is CVE-2020-9906?

CVE-2020-9906 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 4.69% probability of exploitation in the next 30 days.

How do I fix CVE-2020-9906?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-9906?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST