CVE-2020-16904 MEDIUM

CVE-2020-16904: Azure Functions Elevation of Privilege Vulnerability

Vendor Microsoft
Product Azure Functions
Published October 16, 2020
Last update August 4, 2024

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C

What the vulnerability does

01Description

<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>

Key dates

02Disclosure timeline

October 16, 2020 CVE published
August 4, 2024 Record updated