Back to KEVs

CVE-2020-27950

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...

Basic Information

CVE State
PUBLISHED
Reserved Date
October 27, 2020
Published Date
December 08, 2020
Last Updated
January 29, 2025
Vendor
Apple
Product
watchOS, iOS and iPadOS, macOS
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.

CVSS Scores

SSVC Information

Exploitation
active
Technical Impact
partial

Exploit Status

Exploited in the Wild
Yes (added 2021-11-03 00:00:00 UTC) Source
Proof of Concept Available
Yes (added 2020-12-01 15:49:07 UTC) Source

References

https://support.apple.com/en-us/HT211931 https://support.apple.com/en-us/HT211928 https://support.apple.com/en-us/HT211929 https://support.apple.com/en-us/HT211940 https://support.apple.com/en-us/HT211944 https://support.apple.com/en-us/HT211945 https://support.apple.com/en-us/HT211946 https://support.apple.com/en-us/HT211947 http://seclists.org/fulldisclosure/2020/Dec/32 http://packetstormsecurity.com/files/161296/XNU-Kernel-Mach-Message-Trailers-Memory-Disclosure.html

Known Exploited Vulnerability Information

Source Added Date
CISA 2021-11-03 00:00:00 UTC

Potential Proof of Concepts

Warning: These PoCs have not been tested and could contain malware. Use at your own risk.

synacktiv/CVE-2020-27950

Type: github • Created: 2020-12-01 15:49:07 UTC • Stars: 34

CVE-2020-27950 exploit