How severe is CVE-2020-4427?

CVE-2020-4427 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-4427 being actively exploited?

Yes. CVE-2020-4427 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2021-11-03, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2020-4427?

CVE-2020-4427 affects Ibm Data Risk Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-4427?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2020-4427 have an EU (EUVD) identifier?

Yes. CVE-2020-4427 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-25674. It is also flagged as exploited in the EUVD (since 2021-11-03).

When was CVE-2020-4427 published?

CVE-2020-4427 was published on 2020-05-07 and last updated on 2026-06-17.

CVE-2020-4427

CVE-2020-4427 is a critical-severity vulnerability in Ibm Data Risk Manager with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2021-11-03). The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 9.0
EPSS exploit prediction: 70% (99th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2021-11-03)
EU (EUVD) id: EUVD-2020-25674
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2021-11-03)
Weakness: CWE-287
Affected product: Ibm Data Risk Manager
Published: 2020-05-07
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-4427?: 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.
How severe is CVE-2020-4427?: CVE-2020-4427 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-4427 being actively exploited?: Yes. CVE-2020-4427 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2021-11-03, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2020-4427?: CVE-2020-4427 affects Ibm Data Risk Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-4427?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2020-4427 have an EU (EUVD) identifier?: Yes. CVE-2020-4427 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-25674. It is also flagged as exploited in the EUVD (since 2021-11-03).
When was CVE-2020-4427 published?: CVE-2020-4427 was published on 2020-05-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:data_risk_manager:*:*:*:*:*:*:*:*

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