CVE detail

CVE-2020-16904 — CVE-2020-16904

Published 2020-10-16 · Modified 2026-06-17 · Vendor microsoft · Product azure_functions · Source nvd

MEDIUM

severity

CVSS-derived band

5.3

CVSS v3

0–10 scale

0.0337

EPSS probability

exploitation probability, 30d

88.0%

EPSS percentile

percentile vs all CVEs

NOT LISTED

CISA KEV

known exploited catalog

Description

An elevation of privilege vulnerability exists in the way Azure Functions validate access keys. An unauthenticated attacker who successfully exploited this vulnerability could invoke an HTTP Function without proper authorization. This security update addresses the vulnerability by correctly validating access keys used to access HTTP Functions.

Remediation

No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.