CVE-2021-33767
Open Enclave SDK Elevation of Privilege Vulnerability
8.2 High
Open Enclave SDK Elevation of Privilege Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
0.91%Up 0.5 points since Jul 15, 2021
What each source reports
CVE List Score used
Open Enclave SDK Elevation of Privilege Vulnerability
Open Enclave SDK Elevation of Privilege Vulnerability
- Record
CVE-2021-33767- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2021-20444
Open Enclave SDK Elevation of Privilege Vulnerability
- Record
EUVD-2021-20444- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
NVD
Open Enclave SDK Elevation of Privilege Vulnerability
- Record
CVE-2021-33767- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
OSV
Open Enclave SDK Elevation of Privilege Vulnerability
- Record
CVE-2021-33767- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-33767 is a high vulnerability (CVSS 8.2) in Microsoft Open Enclave Sdk, published July 14, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.91%, the 60th percentile. No source names a fixed version.