CVE-2020-27950
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
5.3 Medium
AI Score
Confidence
High
7.1 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:C/I:N/A:N
0.008 Low
EPSS
Percentile
81.1%
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.
| Vendor | Product | Version | CPE |
|---|---|---|---|
| apple | watchos | * | cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* |
| apple | iphone_os | * | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
| apple | ipad_os | * | cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* |
| apple | macos | * | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
| apple | macos | * | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
| apple | macos | * | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
| apple | macos | * | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
| apple | macos | * | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
References
packetstormsecurity.com/files/161296/XNU-Kernel-Mach-Message-Trailers-Memory-Disclosure.html
seclists.org/fulldisclosure/2020/Dec/32
support.apple.com/en-us/HT211928
support.apple.com/en-us/HT211929
support.apple.com/en-us/HT211931
support.apple.com/en-us/HT211940
support.apple.com/en-us/HT211944
support.apple.com/en-us/HT211945
support.apple.com/en-us/HT211946
support.apple.com/en-us/HT211947
Social References
More
Related
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
5.3 Medium
AI Score
Confidence
High
7.1 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:C/I:N/A:N
0.008 Low
EPSS
Percentile
81.1%