Permissions, Privileges, and Access Controls in Azure Functions - CVE-2020-16904

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU47616

Permissions, Privileges, and Access Controls in Azure Functions - CVE-2020-16904

Published: October 13, 2020


Vulnerability identifier: #VU47616
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-16904
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Azure Functions

Detailed vulnerability description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to the way Azure Functions validate access keys. A remote attacker can invoke an HTTP Function without proper authorization.


How to mitigate CVE-2020-16904

Install updates from vendor's website.

Sources