CVE-2023-21777
Azure App Service on Azure Stack Hub Elevation of Privilege Vulnerability
Azure App Service on Azure Stack Hub Elevation of Privilege Vulnerability
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
- High
- Integrity
- High
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Azure App Service on Azure Stack Hub Elevation of Privilege Vulnerability
Azure App Service on Azure Stack Hub Elevation of Privilege Vulnerability
- Record
CVE-2023-21777- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L/E:U/RL:O/RC:C - Weakness
- CWE-284
- Updated
- 2026-11-02
EUVDEUVD-2023-25944
Azure App Service on Azure Stack Hub Elevation of Privilege Vulnerability
- Record
EUVD-2023-25944- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-462g-m6hg-7643
Azure App Service on Azure Stack Hub Elevation of Privilege Vulnerability
Azure App Service on Azure Stack Hub Elevation of Privilege Vulnerability
- Record
GHSA-462g-m6hg-7643- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L - Weakness
- CWE-269, CWE-284
- Updated
- 2026-11-02
NVD
Azure App Service on Azure Stack Hub Elevation of Privilege Vulnerability
- Record
CVE-2023-21777- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L - Weakness
- CWE-284, CWE-269
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-21777 is a high vulnerability (CVSS 8.7) in Microsoft Azure App Service On Azure Stack Hub, published February 14, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.35%, the 28th percentile. No source names a fixed version.