CVE-2025-33074
published 2025-04-30CVE-2025-33074: Improper verification of cryptographic signature in Microsoft Azure Functions allows an authorized attacker to execute code over a network.
PriorityP356high8.8CVSS 3.1
AVNACLPRLUINSUCHIHAH
EPSS
0.46%
36.5th percentile
Improper verification of cryptographic signature in Microsoft Azure Functions allows an authorized attacker to execute code over a network.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | azure_functions | — | — |
| msrc | azure_functions | — | — |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
vendor_msrc7.5HIGH
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
Microsoft
Azure Functions Remote Code Execution Vulnerability
vendor_msrc·2025-04-08·CVSS 7.5
CVE-2025-33074 [HIGH] CWE-347 Azure Functions Remote Code Execution Vulnerability
Azure Functions Remote Code Execution Vulnerability
Description: Improper verification of cryptographic signature in Microsoft Azure Functions allows an authorized attacker to execute code over a network.
FAQ: Why are there no links to an update or instructions with steps that must be taken to protect from this vulnerability?
This vulnerability has already been fully mitigated by Microsoft. There is no action for users of this service to take. The purpose of this CVE is to provide further transparency.
Please see Toward greater transparency: Unveiling Cloud Service CVEs for more information.
Microsoft Azure Functions: Microsoft Azure Functions
Microsoft: Microsoft
Customer Action Required: No
Impact: Remote Code Execution
Exploit Status: Publicly Disclosed:No;Exploited:No
GHSA
GHSA-m48h-73h7-3chf: Improper verification of cryptographic signature in Microsoft Azure Functions allows an authorized attacker to execute code over a network
ghsa_unreviewed·2025-04-30
CVE-2025-33074 [HIGH] CWE-347 GHSA-m48h-73h7-3chf: Improper verification of cryptographic signature in Microsoft Azure Functions allows an authorized attacker to execute code over a network
Improper verification of cryptographic signature in Microsoft Azure Functions allows an authorized attacker to execute code over a network.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2025-04-30
Published