CVE-2021-22506
HighExploitedPublic exploitAdvance configuration exposing Information Leakage vulnerability in Micro Focus Access Manager product, affects all versions prior to version 5.0.
Published Mar 26, 2021 · Updated Oct 27, 2025
Key Facts
Patch immediately- CVE-2021-22506 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Access Manager (Microfocus), Access Manager..
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Aug 6, 2021. Public exploit code is available.
- EPSS estimates a 26% probability of exploitation in the next 30 days.
- Fixed versions are available, including Access Manager 5.0.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS (30-day exploit likelihood)
26%
Higher than 97.9% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2021-22506 brief as a PDF
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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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Nov 3, 2021 | Nov 17, 2021 | Not reported |
| Industry KEV feed | Aug 6, 2021 | Nov 17, 2021 | Not reported |
| CIRCL KEV | Nov 3, 2021 | Nov 17, 2021 | Not reported |
| ENISA EUVD | Nov 3, 2021 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Access ManagerMicrofocus | See advisory | 5.0 |
| Access Manager. | >= All version prior version 5.0. | n/a |
Patched Releases
Access Manager
5.0
Timeline
Publicly disclosed
Mar 26, 2021
Added to Industry KEV feed
Aug 6, 2021
Added to CISA KEV
Nov 3, 2021
Added to CIRCL KEV
Nov 3, 2021
Added to ENISA EUVD
Nov 3, 2021
Last updated
Oct 27, 2025
References
FAQ
Common Questions.
Advance configuration exposing Information Leakage vulnerability in Micro Focus Access Manager product, affects all versions prior to version 5.0.
Affected: Access Manager (Microfocus); Access Manager. versions >= All version prior version 5.0.. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Aug 6, 2021.
Yes. It was added on Nov 3, 2021 with a federal remediation due date of Nov 17, 2021.
Public exploit code is available.
Fixed versions are available, including Access Manager 5.0.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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