---
id: "CVE-2020-4427"
kind: "vulnerability"
aliases: ["CVE-2020-4427"]
title: "IBM Data Risk Manager: IBM Data Risk Manager Security Bypass Vulnerability"
severity: "critical"
cvss: 9.8
epss: 0.70031
exploited: true
status: "open"
category: "other"
products: [{"name": "IBM Data Risk Manager", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["exploited", "ibm-data-risk-manager", "other", "saml"]
not_affected_if: ["no-saml-configured"]
published_at: "2020-05-07T20:15:12+00:00"
first_seen_at: "2026-10-23T19:11:53+00:00"
updated_at: "2026-10-23T21:57:35+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2020-4427", "first_seen_at": "2026-10-23T19:11:53+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2020-4427", "first_seen_at": "2026-10-23T19:13:44+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-4427", "first_seen_at": "2026-10-23T21:57:35+00:00"}]
---

# IBM Data Risk Manager: IBM Data Risk Manager Security Bypass Vulnerability

IBM Data Risk Manager has an authentication bypass when SAML login is configured. A remote attacker sends a crafted HTTP request and gets full administrative access.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:IBM Data Risk Manager affected ? fixed ?

## Fix

Apply the IBM update for IBM Data Risk Manager per vendor instructions; the fixed version is not stated in the sources.

## Timeline

- 2026-10-23T19:11:53+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2020-4427
- 2026-10-23T19:13:44+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2020-4427
- 2026-10-23T21:57:35+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2020-4427

## From the sources

IBM Data Risk Manager contains a security bypass vulnerability that 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.

CISA required action: Apply updates per vendor instructions.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_