How severe is CVE-2021-22506?

CVE-2021-22506 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-2021-22506 being actively exploited?

Yes. CVE-2021-22506 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2021-11-03, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2021-22506?

CVE-2021-22506 affects Microfocus Access Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-22506?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2021-22506 have an EU (EUVD) identifier?

Yes. CVE-2021-22506 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-9652. It is also flagged as exploited in the EUVD (since 2021-11-03).

When was CVE-2021-22506 published?

CVE-2021-22506 was published on 2021-03-26 and last updated on 2026-06-17.

CVE-2021-22506

CVE-2021-22506 is a high-severity vulnerability in Microfocus Access Manager with a CVSS 3.x base score of 7.5. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2021-11-03).

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 26% (98th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2021-11-03)
EU (EUVD) id: EUVD-2021-9652
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2021-11-03)
Affected product: Microfocus Access Manager
Published: 2021-03-26
Last modified: 2026-06-17

Description

Advance configuration exposing Information Leakage vulnerability in Micro Focus Access Manager product, affects all versions prior to version 5.0. The vulnerability could cause information leakage.

Frequently asked questions

What is CVE-2021-22506?: Advance configuration exposing Information Leakage vulnerability in Micro Focus Access Manager product, affects all versions prior to version 5.0. The vulnerability could cause information leakage.
How severe is CVE-2021-22506?: CVE-2021-22506 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-2021-22506 being actively exploited?: Yes. CVE-2021-22506 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2021-11-03, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2021-22506?: CVE-2021-22506 affects Microfocus Access Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-22506?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2021-22506 have an EU (EUVD) identifier?: Yes. CVE-2021-22506 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-9652. It is also flagged as exploited in the EUVD (since 2021-11-03).
When was CVE-2021-22506 published?: CVE-2021-22506 was published on 2021-03-26 and last updated on 2026-06-17.

References

Affected products (1)

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

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