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CVE-2020-4427 IBM CVE debrief

CVE-2020-4427 is a security bypass vulnerability affecting IBM Data Risk Manager. CISA added it to the Known Exploited Vulnerabilities catalog on 2021-11-03, which means it should be treated as a high-priority remediation item. The supplied corpus does not include a CVSS score or deeper technical detail, so the safest defensive response is to follow IBM’s update guidance and verify exposure quickly.

Vendor
IBM
Product
Data Risk Manager
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2021-11-03
Original CVE updated
2021-11-03
Advisory published
2021-11-03
Advisory updated
2021-11-03

Who should care

IBM Data Risk Manager administrators, security operations teams, vulnerability management owners, and incident responders should care, especially if the product is internet-accessible or used in sensitive environments.

Technical summary

The available sources identify CVE-2020-4427 as an IBM Data Risk Manager security bypass vulnerability. It was included in CISA’s Known Exploited Vulnerabilities catalog on 2021-11-03, with a remediation due date of 2022-05-03. No CVSS score, exploit chain details, or affected-version specifics were provided in the supplied corpus.

Defensive priority

High. CISA KEV inclusion indicates this issue warrants prompt remediation and validation of exposure.

Recommended defensive actions

  • Apply IBM updates per vendor instructions as soon as possible.
  • Confirm which IBM Data Risk Manager instances are deployed and whether any are externally reachable.
  • Verify current product versions against IBM remediation guidance and document patch status.
  • Review access logs and administrative activity around the affected system for unusual or unauthorized behavior.
  • If immediate patching is not possible, apply temporary compensating controls such as access restriction and segmentation while remediation is scheduled.

Evidence notes

Source corpus includes the CISA KEV entry, which lists IBM as the vendor, Data Risk Manager as the product, and 'IBM Data Risk Manager Security Bypass Vulnerability' as the vulnerability name. The source item records dateAdded 2021-11-03 and dueDate 2022-05-03, with requiredAction 'Apply updates per vendor instructions.' The corpus also provides official CVE and NVD links, but no CVSS score or deeper technical analysis.

Official resources

CISA added CVE-2020-4427 to the Known Exploited Vulnerabilities catalog on 2021-11-03. The corpus marks ransomware campaign use as unknown and does not provide additional exploit details.