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CVE-2021-1784

HIGH
7.5
CVSS Score
Published: September 8, 2021 at 02:56 PM UTC
Updated: June 17, 2026 at 03:32 AM UTC
1 product affected across 1 vendormacOS

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Severity
HIGH7.5
Exploit prediction
EPSS 2%

Description

A permissions issue existed in DiskArbitration. This was addressed with additional ownership checks. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. A malicious application may be able to modify protected parts of the file system.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://support.apple.com/en-us/HT212325
x_refsource_MISCVendor Advisory
Source: [email protected]
https://support.apple.com/en-us/HT212326
x_refsource_MISCVendor Advisory
Source: [email protected]
https://support.apple.com/en-us/HT212327

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-Other

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