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CVE-2021-22506

Micro Focus Access Manager Information Leakage

7.5 HIGHActively exploited (CISA KEV)EPSS 25.7%
  1. Published26 Mar 2021
  2. Added to CISA KEV3 Nov 2021
  3. Remediation due17 Nov 2021
Actively exploited (CISA KEV)

Micro Focus Access Manager contains an information leakage vulnerability resulting from a SAML service provider redirection issue when the Assertion Consumer Service URL is used.

Added to KEV: 3 Nov 2021Federal remediation due: 17 Nov 2021

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

Microfocus Access Manager< 5.0

Remediation

Fixed in
Microfocus Access Manager≥ 5.0

References

Frequently asked

Is CVE-2021-22506 being actively exploited?

Yes. CVE-2021-22506 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 3 Nov 2021.

How severe is CVE-2021-22506?

CVE-2021-22506 has a CVSS 3.1 base score of 7.5, rated high. EPSS estimates a 25.7% probability of exploitation.

Which products are affected by CVE-2021-22506?

Affected products include Microfocus Access Manager.

How do I fix CVE-2021-22506?

Upgrade affected software to a fixed version, for example Microfocus Access Manager 5.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2021-22506 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.