CVE-2020-27950
- State
- Published
- Severity
- 5.5 Medium
- Published
- Dec 8, 2020
- Updated
- Oct 21, 2025
- Reserved
- Oct 27, 2020
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.5 Medium | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N | CISA-ADP |
Weaknesses
- CWE-665 Improper Initialization
Affected Products
| Product | Versions |
|---|---|
watchOSApple |
|
iOS and iPadOSApple |
|
macOSApple |
|
macOSApple |
|
macOSApple |
|
macOSApple |
|
macOSApple |
|
macOSApple |
|
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
- 20201215 APPLE-SA-2020-12-14-4 Additional information for APPLE-SA-2020-11-13-1 macOS Big Sur 11.0.1mailing-list
- http://packetstormsecurity.com/files/161296/XNU-Kernel-Mach-Message-Trailers-Memory-Disclosure.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-27950government-resource
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