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CVE-2021-22515— Multi-Factor Authentication (MFA) downgrade exposure in NetIQ Advanced Authentication Server

Quick assessment

Affected
Micro Focus NetIQ Advanced Authentication
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

NetIQ Advanced Authentication是英国NetIQ公司的一个应用软件。提供了从用户名和密码转移到一种更安全的方式来保护您的敏感信息。 NetIQ Advanced Authentication 存在安全漏洞，该漏洞源于可以绕过多重身份验证 (MFA) 功能，允许在 6.3 SP4 补丁 1 之前的 NetIQ 高级身份验证版本中使用单因素身份验证。

CVSS 4.8 · Medium EPSS 0.69% · P51

Possible ATT&CK Techniques 1 AI

T1110.004 · Credential Stuffing
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I. Basic Information for CVE-2021-22515

Vulnerability Information
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Vulnerability Title
Multi-Factor Authentication (MFA) downgrade exposure in NetIQ Advanced Authentication Server
Source: CVE Program / CVE List V5
Vulnerability Description
Multi-Factor Authentication (MFA) functionality can be bypassed, allowing the use of single factor authentication in NetIQ Advanced Authentication versions prior to 6.3 SP4 Patch 1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
NetIQ Advanced Authentication 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NetIQ Advanced Authentication是英国NetIQ公司的一个应用软件。提供了从用户名和密码转移到一种更安全的方式来保护您的敏感信息。 NetIQ Advanced Authentication 存在安全漏洞，该漏洞源于可以绕过多重身份验证 (MFA) 功能，允许在 6.3 SP4 补丁 1 之前的 NetIQ 高级身份验证版本中使用单因素身份验证。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Micro Focus NetIQ Advanced Authentication NetIQ Advanced Authentication ~ 6.3 SP4 Patch 1 -

II. Public POCs for CVE-2021-22515

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III. Intelligence Information for CVE-2021-22515

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Other References for CVE-2021-22515 (1)

IV. Related Vulnerabilities

Same product: NetIQ Advanced Authentication
Same vendor: Micro Focus

V. Comments for CVE-2021-22515

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