Exploited. On CISA's list since 2021-11-03.
Micro Focus Access Manager Information Leakage Vulnerability
CVE-2021-22506 · Micro Focus Micro Focus Access Manager · Published 2021-03-26
How bad would it be?
7.5 out of 10
CVSS rates it high.
How likely is it to be used?
26%
Estimated chance of exploitation in the next 30 days, higher than 97% of all scored flaws (EPSS, 2026-10-29).
Is it already being used?
Yes
CISA has seen it exploited in real attacks. For US government agencies the fix is deadline passed 1808 days ago (2021-11-17).
What CISA says to do
Apply updates per vendor instructions.
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.
What the flaw is
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.
From the NVD.
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Exploited flaws from CISA's KEV catalogue. Chance of exploitation from EPSS by FIRST. Descriptions and scores from the NVD. This product uses the NVD API but is not endorsed or certified by the NVD.