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>

CVSS v3 5.3 MEDIUM
CVSS v2.0 7.5 HIGH

5.3^/10

CVSS v3 : MEDIUM

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

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

Configurations

Configuration 1 (hide)

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

History

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

Information

Published : 2020-10-16 23:15

Updated : 2024-02-28 18:08

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

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