Vulnerability · Published Oct 16, 2020 · Assigned by microsoft
CVE-2020-16904Azure Functions Elevation of Privilege Vulnerability
Medium 5.3
In plain English
A medium-severity security flaw in Azure Functions from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.4% (higher than 89% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)3.4%top 11.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Azure Functions | N/A |