CVE-2020-16904HighMicrosoft CVSS 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C

Microsoft advisory for CVE-2020-16904 — Azure Functions

Published
October 13, 2020
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2020-16904 →

📋 Microsoft's advisory

EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-16904. This page also shows what EchelonGraph holds for CVE-2020-16904, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.

🎯 Affected products1

  • Azure Functions

🧭 EchelonGraph on CVE-2020-16904

EchelonGraph score
5.3 MEDIUM
CISA KEV
Not listed
Fix status
A fix is referenced (a reference tagged "Patch", often a source commit), but no release containing it is confirmed — find the release that contains it; until it is applied, mitigate (WAF / firewall / segmentation).

Description from the CVE record (CVE.org), as published by its numbering authority

<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>

Published by Microsoft Corporation, the CVE Numbering Authority that assigned CVE-2020-16904, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).

🔗 References (1)