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NVD Vulnerability Details :
CVE-2020-16904
Modified
More InfoOfficial Page
Source-secure@microsoft.com
View Known Exploited Vulnerability (KEV) details
Published At-16 Oct, 2020 | 23:15
Updated At-23 Feb, 2026 | 18:21

<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>

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Secondary3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary2.07.5HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
Type: Secondary
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Type: Secondary
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 2.0
Base score: 7.5
Base severity: HIGH
Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
CPE Matches

Microsoft Corporation
microsoft
>>azure_functions>>-
cpe:2.3:a:microsoft:azure_functions:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-863Primarynvd@nist.gov
CWE ID: CWE-863
Type: Primary
Source: nvd@nist.gov
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16904secure@microsoft.com
Patch
Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16904af854a3a-2127-422b-91ae-364da2661108
Patch
Vendor Advisory
Hyperlink: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16904
Source: secure@microsoft.com
Resource:
Patch
Vendor Advisory
Hyperlink: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16904
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Patch
Vendor Advisory
Change History
0Changes found

Details not found