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PatchSiren cyber security CVE debrief

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
CRITICAL 9
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.

Sources and references

Verified primary and authoritative sources

  • CVE-2020-4427 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2020-4427

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2020-4427 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2020-4427

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.