CVE-2020-27904

A logic issue existed resulting in memory corruption. This was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1. An application may be able to execute arbitrary code with kernel privileges.

Affected

Apple · macOS

CVSS v3.1 NVD

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0 NVD

9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C

EPSS

3.14% chance of exploitation in the next 30 days, 88th percentile

Published

2020-12-08

Updated

2024-08-04

Proof-of-concept exploits (1)

• pattern-f/xattr-oob-swap68★ · 2021-04-29

Security advisories

• https://support.apple.com/en-us/HT211931
• https://support.apple.com/kb/HT212147
• http://seclists.org/fulldisclosure/2020/Dec/32
• http://seclists.org/fulldisclosure/2021/Feb/14

References

• CVE Record
• NVD entry

Related

• CVE-2019-8852
• CVE-2021-1782