IBM Data Risk Manager - Authentication Bypass (CVE-2020-4427)
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.
psychologyCrowdSec Analysis
CVE-2020-4427 is a critical vulnerability in IBM Data Risk Manager versions 2.0.1 through 2.0.6 that allows remote attackers to bypass SAML authentication by sending specially crafted HTTP requests. Exploiting this flaw could grant attackers full administrative access to the system, potentially leading to complete compromise of sensitive data and system controls.
CrowdSec has been tracking this vulnerability and its exploits since 29th of October 2025.
Insights from the CrowdSec network reveal that the attackers trying to exploit CVE-2020-4427 are composed of a fairly even mix of opportunistic and targeted actors. Some attackers employ preliminary reconnaissance, while others use indiscriminate scanning. In addition, according to the CrowdSec network, attack volume against CVE-2020-4427 has dipped slightly compared to the previous week. Although still commonly targeted, the decline suggests a cooling-off period. Long-term relevance remains, but attention is waning.
Attackers exploit the authentication bypass by sending crafted requests to the /albatross/saml/idpSelection endpoint, often using the userName=admin parameter to gain unauthorized administrative access.
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| Event | Date |
|---|---|
| CVE Published | 2020-05-07 |
| CISA KEV | 2021-11-03 |
| CISA Remediation Deadline | 2022-05-03 |
| Rule Released | 2025-10-29 |
| CrowdSec First Seen | 2025-11-05 |