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Vulnerability Intelligence

CVE-2021-22506

HighExploitedPublic exploit

Advance 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

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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

CatalogAddedRemediation dueRansomware use
CISA KEVNov 3, 2021Nov 17, 2021Not reported
Industry KEV feedAug 6, 2021Nov 17, 2021Not reported
CIRCL KEVNov 3, 2021Nov 17, 2021Not reported
ENISA EUVDNov 3, 2021n/aNot reported

Required action: Apply updates per vendor instructions.

Affected Products

2 affected entries in total
ProductAffected versionsFixed in
Access ManagerMicrofocusSee advisory5.0
Access Manager.>= All version prior version 5.0.n/a

Patched Releases

Access Manager

5.0

Timeline

  1. Publicly disclosed

    Mar 26, 2021

  2. Added to Industry KEV feed

    Aug 6, 2021

  3. Added to CISA KEV

    Nov 3, 2021

  4. Added to CIRCL KEV

    Nov 3, 2021

  5. Added to ENISA EUVD

    Nov 3, 2021

  6. Last updated

    Oct 27, 2025

References

FAQ

Common Questions.

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