CVE-2021-30772
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.5. A...
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.5. A malicious application may be able to gain root privileges.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.5. A malicious application may be able to gain root privileges.
- Record
CVE-2021-30772- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE ListNo score
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.5. A malicious application may be able to gain root privileges.
- Record
CVE-2021-30772- Updated
- 2026-11-02
EUVDEUVD-2021-17689No score
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.5. A malicious application may be able to gain root privileges.
- Record
EUVD-2021-17689- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pxc3-xjvh-jq8g
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.5. A...
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.5. A malicious application may be able to gain root privileges.
- Record
GHSA-pxc3-xjvh-jq8g- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-30772 is a high vulnerability (CVSS 7.8) in Apple Macos, published September 8, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.12%, the 66th percentile. No source names a fixed version.