CVE-2025-33074
Azure Functions Remote Code Execution Vulnerability
Improper verification of cryptographic signature in Microsoft Azure Functions allows an authorized attacker to execute code over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Azure Functions Remote Code Execution Vulnerability
Improper verification of cryptographic signature in Microsoft Azure Functions allows an authorized attacker to execute code over a network.
- Record
CVE-2025-33074- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C - Weakness
- CWE-347
- Updated
- 2026-11-02
EUVDEUVD-2025-12758
Improper verification of cryptographic signature in Microsoft Azure Functions allows an authorized attacker to execute code over a network.
- Record
EUVD-2025-12758- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-m48h-73h7-3chf
Improper verification of cryptographic signature in Microsoft Azure Functions allows an...
Improper verification of cryptographic signature in Microsoft Azure Functions allows an authorized attacker to execute code over a network.
- Record
GHSA-m48h-73h7-3chf- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-347
- Updated
- 2026-11-02
NVD
Improper verification of cryptographic signature in Microsoft Azure Functions allows an authorized attacker to execute code over a network.
- Record
CVE-2025-33074- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-347
- 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-2025-33074 is a high vulnerability (CVSS 7.5) in Microsoft Azure Functions, published April 30, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.60%, the 48th percentile. No source names a fixed version.