CVE-2020-16904

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2020-16904
<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>

5.3 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

7.5 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References
Link Resource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16904 Patch Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16904 Patch Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:microsoft:azure_functions:-:*:*:*:*:*:*:*
History

21 Nov 2024, 05:07

Type Values Removed Values Added
References () https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16904 - Patch, Vendor Advisory () https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16904 - Patch, Vendor Advisory

31 Dec 2023, 20:15

Type Values Removed Values Added
Summary An elevation of privilege vulnerability exists in the way Azure Functions validate access keys.An unauthenticated attacker who successfully exploited this vulnerability could invoke an HTTP Function without proper authorization.This security update addresses the vulnerability by correctly validating access keys used to access HTTP Functions., aka 'Azure Functions Elevation of Privilege Vulnerability'. <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>
CVSS v2 : 7.5
v3 : 9.8 		v2 : 7.5
v3 : 5.3
CWE CWE-269 CWE-863
Information

Published : 2020-10-16 23:15

Updated : 2024-11-21 05:07

NVD link : CVE-2020-16904

Mitre link : CVE-2020-16904

CVE.ORG link : CVE-2020-16904

JSON object : View

Products Affected

microsoft

  • azure_functions
CWE
CWE-863

Incorrect Authorization