CVE-2020-16904
Last modified
CVE-2020-16904 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. <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>. EPSS estimates a 3.12% chance of exploitation in the next 30 days.
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>
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Azure Functions | All versions |
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16904Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16904Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-16904?
How severe is CVE-2020-16904?
How do I fix CVE-2020-16904?
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2020
- CVE-2020-16898<p>A remote code execution vulnerability exists when the Win…8.8
- CVE-2020-16899<p>A denial of service vulnerability exists when the Windows…7.5
- CVE-2020-1690An improper authorization flaw was discovered in openstack-s…6.5
- CVE-2020-16900<p>An elevation of privilege vulnerability exists when the W…7
- CVE-2020-16901<p>An information disclosure vulnerability exists when the W…5
- CVE-2020-16902<p>An elevation of privilege vulnerability exists in the Win…7.8
- CVE-2020-16905<p>An elevation of privilege vulnerability exists in Windows…6.8
- CVE-2020-16907<p>An elevation of privilege vulnerability exists in Windows…7.8
- CVE-2020-16908<p>An elevation of privilege vulnerability exists in Windows…7.8
- CVE-2020-16909<p>An elevation of privilege vulnerability exists in Windows…7.8
- CVE-2020-1691In Moodle 3.8, messages required extra sanitizing before upd…5.4
- CVE-2020-16910<p>A security feature bypass vulnerability exists when Micro…6.2
Are you affected by CVE-2020-16904?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST