CVE-2020-4427
Actively exploited. CVE-2020-4427 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2020-4427 is indexed in Metasploit and Nuclei. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
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
- 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.
⚡ Watch CVE-2020-4427
Get an email if CVE-2020-4427 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.
Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 99% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2020-4427 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- MetasploitA Metasploit Framework module targets this CVE — weaponized, point-and-click exploitation.look it up ↗
- NucleiA nuclei-templates detection/PoC template exists for this CVE.look it up ↗
Advisory coverage (1)
- criticalexploitedCVE-2020-4427: IBM Data Risk Manager Security Bypass Vulnerabilitycisa-kev · 2021-11-03
External references
Embed the live status
— this badge updates automatically when the KEV or exploit status changes. How to embed it →
[](https://www.csirts.com/cve/CVE-2020-4427)