CVE-2021-30813
This issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.0.1. A...
This issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.0.1. A person with access to a host Mac may be able to bypass the Login Window in Remote Desktop for a locked instance of macOS.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
This issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.0.1. A person with access to a host Mac may be able to bypass the Login Window in Remote Desktop for a locked instance of macOS.
- Record
CVE-2021-30813- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:N/I:P/A:N - Updated
- 2026-11-02
CVE List No score
This issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.0.1. A person with access to a host Mac may be able to bypass the Login Window in Remote Desktop for a locked instance of macOS.
- Record
CVE-2021-30813- Updated
- 2026-11-02
EUVDEUVD-2021-17730 No score
This issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.0.1. A person with access to a host Mac may be able to bypass the Login Window in Remote Desktop for a locked instance of macOS.
- Record
EUVD-2021-17730- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-p925-9m9r-7rqh No score
This issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.0.1. A...
This issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.0.1. A person with access to a host Mac may be able to bypass the Login Window in Remote Desktop for a locked instance of macOS.
- Record
GHSA-p925-9m9r-7rqh- 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-2021-30813 is a medium vulnerability (CVSS 6.5) in Apple Macos, published October 28, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 15th percentile. No source names a fixed version.