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CVE-2020-4427

IBM Data Risk Manager Security Bypass Vulnerability

  • Critical 9.0
  • Exploited: added to CISA KEV 3 Nov 2021

Description

IBM Data Risk Manager 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5, and 2.0.6 could allow a remote attacker to bypass security restrictions when configured with SAML authentication. By sending a specially crafted HTTP request, an attacker could exploit this vulnerability to bypass the authentication process and gain full administrative access to the system. IBM X-Force ID: 180532.

Key facts

Published
7 May 2020
Last changed
3 Nov 2025
Assigned by
ibm
KEV added
3 Nov 2021
KEV fix due
3 May 2022
EPSS
70.031% likely to be exploited in the next 30 days, higher than 99.387% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: yes; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 9.0CVSS 3.0, Criticalfrom the CNA (ibm)CVSS:3.0/I:H/UI:N/PR:N/C:H/A:H/AV:N/S:C/AC:H/RL:O/RC:C/E:U

What to do

  • Apply updates per vendor instructions.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
IBMData Risk Manager
  • 2.0.1 (affected)
  • 2.0.2 (affected)
  • 2.0.3 (affected)
  • 2.0.4 (affected)
  • 2.0.5 (affected)
  • 2.0.6 (affected)

Timeline

  1. 7 May 2020 Published
  2. 3 Nov 2021 CVE-2020-4427 added to CISA KEV
  3. 3 Nov 2021 Added to the CISA KEV catalogue

Weakness

References