Is CVE-2021-22515 in the CISA KEV catalog?

No. CVE-2021-22515 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-22515?

CVE-2021-22515 has a CVSS v3 base score of 4.8 (MEDIUM).

What is the EPSS score for CVE-2021-22515?

CVE-2021-22515 has an EPSS score of 0.69% (48th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-22515?

Upgrade netiq advanced authentication to 6.3 or later.

CVE & CISA-KEV Catalog

CVE-2021-22515

MEDIUM

4.8

CVSS v3

NVD

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.

CWE-863Incorrect Authorization

How to fix

Remediation Available

netiq advanced authenticationNVD

Affected:< 6.3Fixed in:6.3CVE-2021-22515derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

0.69%probability of exploitation in 30 days

48thpercentile

Moderate risk: more likely to be exploited than 48% of all known CVEs.

References

Other references1

netiq.com

Related Vulnerabilities

Other CWE-863 (Incorrect Authorization) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-22518	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-38035	Critical	9.8	100%	KEV + Ransom	-
CVE-2022-46169	Critical	9.8	100%	KEV	Fix
CVE-2025-29927	Critical	9.1	100%	-	Fix
CVE-2024-38856	Critical	9.8	99%	KEV	Fix
CVE-2020-36289	Medium	5.3	99%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.