Multi-Factor Authentication (MFA) downgrade exposure in NetIQ Advanced Authentication Server

published 2021-07-12 5y ago modified 2026-06-17 4mo ago also EUVD-2021-9657

cvss: 4.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

Micro Focus NetIQ Advanced Authentication 6.3 SP4 Patch 1

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Exploit prediction

0.69% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.8	CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
NVD	2.0	4.0	AV:N/AC:L/Au:S/C:N/I:P/A:N

Affected products

Micro Focus NetIQ Advanced Authentication

Classification

Weakness

CWE-863 Incorrect Authorization

References

netiq.com /documentation/advanced-authentication-63/advanced-authentication-releasenotes-6341/data/advanced-authenticati

Sources

CVE List CVE-2021-22515
NVD CVE-2021-22515

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