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CVE-2020-4427: IBM Data Risk Manager Security Bypass Vulnerability

criticalknown exploitedpublic exploitCVE-2020-4427
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: IBMproduct: Data Risk ManagerAuthentication bypass
What
The vulnerability allows a remote attacker to bypass security restrictions when SAML authentication is configured.
Who is affected
Deployments of IBM Data Risk Manager with SAML authentication are affected.
Urgency
Immediate remediation is necessary due to active exploitation and critical severity.
Action
Implement the recommended security updates from IBM.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-11-03
Exploitation
Observed in the wild (CISA KEV)

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

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2020-4427coverage & exploitation statusNVD · CVE.org

Recent advisories for IBM Data Risk

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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