How severe is CVE-2021-22496?

CVE-2021-22496 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-22496 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22496?

CVE-2021-22496 affects Microfocus Access Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-22496?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-22496 published?

CVE-2021-22496 was published on 2021-03-25 and last updated on 2026-06-17.

CVE-2021-22496

CVE-2021-22496 is a high-severity vulnerability in Microfocus Access Manager with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Microfocus Access Manager
Published: 2021-03-25
Last modified: 2026-06-17

Description

Authentication Bypass Vulnerability in Micro Focus Access Manager Product, affects all version prior to version 4.5.3.3. The vulnerability could cause information leakage.

Frequently asked questions

What is CVE-2021-22496?: Authentication Bypass Vulnerability in Micro Focus Access Manager Product, affects all version prior to version 4.5.3.3. The vulnerability could cause information leakage.
How severe is CVE-2021-22496?: CVE-2021-22496 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-22496 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22496?: CVE-2021-22496 affects Microfocus Access Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-22496?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-22496 published?: CVE-2021-22496 was published on 2021-03-25 and last updated on 2026-06-17.

References

https://www.netiq.com/documentation/access-manager-45-appliance/accessmanager453-p3-release-notes/data/accessmanager453-p3-release-notes.html

Affected products (1)

cpe:2.3:a:microfocus:access_manager:*:*:*:*:*:*:*:*

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Other CWE-287 (Improper Authentication) vulnerabilities

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