CVE-2021-1784
published 2021-09-08CVE-2021-1784: 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…
PriorityP338high7.5CVSS 3.1
AVNACLPRNUINSUCNIHAN
EPSS
1.97%
78.3th percentile
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.
Affected
10 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | mac_os_x | — | — |
| apple | mac_os_x | — | — |
| apple | mac_os_x | — | — |
| apple | mac_os_x | 10.14 – 10.14.5 | — |
| apple | mac_os_x | 10.15 – 10.15.5 | — |
| apple | macos | >= 11.0 < 11.3 | 11.3 |
| apple | macos | >= unspecified < 11.3 | 11.3 |
| apple | macos | >= unspecified < 2021 | 2021 |
| apple | macos_big_sur | — | — |
| apple | security_update_2021-002_catalina | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
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Apple
CVE-2021-1784: macOS Big Sur 11.3
vendor_apple·2021-04-26·CVSS 7.5
CVE-2021-1784 [HIGH] CVE-2021-1784: macOS Big Sur 11.3
Apple Security Update: About the security content of macOS Big Sur 11.3
Product: macOS Big Sur
Version: 11.3
CVE: CVE-2021-1784
Component: DiskArbitration
Impact: A malicious application may be able to modify protected parts of the file system
Description: A permissions issue existed in DiskArbitration. This was addressed with additional ownership checks.
Apple
CVE-2021-1784: Security Update 2021-002 Catalina
vendor_apple·2021-04-26·CVSS 7.5
CVE-2021-1784 [HIGH] CVE-2021-1784: Security Update 2021-002 Catalina
Apple Security Update: About the security content of Security Update 2021-002 Catalina
Product: Security Update 2021-002 Catalina
CVE: CVE-2021-1784
Component: DiskArbitration
Impact: A malicious application may be able to modify protected parts of the file system
Description: A permissions issue existed in DiskArbitration. This was addressed with additional ownership checks.
GHSA
GHSA-mh4j-qch9-f5wf: A permissions issue existed in DiskArbitration
ghsa_unreviewed·2022-05-24
CVE-2021-1784 [HIGH] CWE-732 GHSA-mh4j-qch9-f5wf: A permissions issue existed in DiskArbitration
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-09-08
Published