Critical severity · published Jan 11, 2019
CVE-2018-4254
In macOS High Sierra before 10.13.5, an input validation issue existed in the kernel
9.8
CVSS
1.3%
EPSS
No
On KEV
Description
In macOS High Sierra before 10.13.5, an input validation issue existed in the kernel. This issue was addressed with improved input validation.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Mac OS X · Apple
before 10.13.5 · source: NVD
Affected product
MO
Mac OS X
Apple
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