VULNERABILITY INTELLIGENCE
CVE-2020-16904
CVSS score5.3 MEDIUM
EPSS probability3.37%
CISA KEVNot currently listed
Published2020-10-16
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Description
<p>An elevation of privilege vulnerability exists in the way Azure Functions validate access keys.</p> <p>An unauthenticated attacker who successfully exploited this vulnerability could invoke an HTTP Function without proper authorization.</p> <p>This security update addresses the vulnerability by correctly validating access keys used to access HTTP Functions.</p>
Weakness classification
- nvd@nist.gov: CWE-863
Primary references
- secure@microsoft.com — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory