CVE-2020-16904

Azure Functions Elevation of Privilege Vulnerability

MEDIUM
5.3
CVSS Score
Published: October 16, 2020 at 10:17 PM UTC
Updated: June 17, 2026 at 02:58 AM UTC
1 product affected across 1 vendorAzure Functions

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Severity
MEDIUM5.3
Exploit prediction
EPSS 3%

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>

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

5.3MEDIUMmicrosoft
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-863

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