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CVE-2020-4427

Improper Authentication — is CVE-2020-4427real, exploitable, or a false positive? Here's the community ground truth.

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Critical · CVSS 9.8EPSS 70.0%CISA KEVCWE-287 · Improper Authentication

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

References

NVD MITRE CVE.org CISA KEV

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Community ground truth

Community verdict

2 verdicts
Not a real issue

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Community real-world severity: Critical (Critical 2) — CVSS base score 9.8

In line with its CVSS base score.

Field notes & remediation

Verdicts are the quick signal — notes are the evidence and fixes behind them.

  • 0
    Field note · Tomáš NovákCurated

    IBM Data Risk Manager Security Bypass Vulnerability — 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. Listed in the CISA KEV catalog (added 2021-11-03) — confirmed exploited in the wild, not theoretical. FIRST EPSS puts the chance of exploitation in the next 30 days at ~70%. Treat it as real and prioritize remediation over triage.

  • 0
    Remediation · Lin WeiCurated

    Required action for IBM Data Risk Manager: Apply updates per vendor instructions. CISA set a federal remediation due date of 2022-05-03. After patching, verify the vulnerable path is no longer reachable before closing the finding.

Related CVEs

Same weakness — CWE-287 · Improper Authentication.