How severe is CVE-2021-22497?

CVE-2021-22497 has a CVSS 3.x base score of 3.8, rated low severity. It is exploitable over physical access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-22497 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22497?

CVE-2021-22497 primarily affects Microfocus Netiq Advanced Authentication. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-22497?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-22497 published?

CVE-2021-22497 was published on 2021-04-12 and last updated on 2026-06-17.

CVE-2021-22497

CVE-2021-22497 is a low-severity vulnerability in Microfocus Netiq Advanced Authentication with a CVSS 3.x base score of 3.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Low (CVSS 3.x base score 3.8)
CVSS v2: 6.5
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Microfocus Netiq Advanced Authentication
Published: 2021-04-12
Last modified: 2026-06-17

Description

Advanced Authentication versions prior to 6.3 SP4 have a potential broken authentication due to improper session management issue.

Frequently asked questions

What is CVE-2021-22497?: Advanced Authentication versions prior to 6.3 SP4 have a potential broken authentication due to improper session management issue.
How severe is CVE-2021-22497?: CVE-2021-22497 has a CVSS 3.x base score of 3.8, rated low severity. It is exploitable over physical access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-22497 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22497?: CVE-2021-22497 primarily affects Microfocus Netiq Advanced Authentication. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-22497?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-22497 published?: CVE-2021-22497 was published on 2021-04-12 and last updated on 2026-06-17.

References

https://www.netiq.com/documentation/advanced-authentication-63/advanced-authentication-releasenotes-634/data/advanced-authentication-releasenotes-634.html

Affected products (5)

cpe:2.3:a:microfocus:netiq_advanced_authentication:*:*:*:*:*:*:*:*
cpe:2.3:a:microfocus:netiq_advanced_authentication:6.3:-:*:*:*:*:*:*
cpe:2.3:a:microfocus:netiq_advanced_authentication:6.3:sp1:*:*:*:*:*:*
cpe:2.3:a:microfocus:netiq_advanced_authentication:6.3:sp2:*:*:*:*:*:*
cpe:2.3:a:microfocus:netiq_advanced_authentication:6.3:sp3:*:*:*:*:*:*

More vulnerabilities in Microfocus Netiq Advanced Authentication

CVE-2023-24468 — Critical (CVSS 9.8): Broken access control in Advanced Authentication versions prior to 6.4.1.1 and 6.3.7.2
CVE-2021-38121 — High (CVSS 8.3): Insufficient or weak TLS protocol version identified in Advance authentication client server communication when…
CVE-2021-22530 — High (CVSS 8.2): A vulnerability identified in NetIQ Advance Authentication that doesn't enforce account lockout when brute force attack…
CVE-2021-22509 — High (CVSS 8.1): A vulnerability identified in storing and reusing information in Advance Authentication. This issue can lead to leakage…
CVE-2021-22529 — Medium (CVSS 6.3): A vulnerability identified in NetIQ Advance Authentication that leaks sensitive server information. This issue affects…
CVE-2022-38753 — Medium (CVSS 6.3): This update resolves a multi-factor authentication bypass attack

All CVEs affecting Microfocus Netiq Advanced Authentication →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →