What’s Vulnerable › Vulnerabilities

CVE-2021-21513

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-03-02 · updated 2026-06-17
• Weakness: CWE-287

Description

Dell EMC OpenManage Server Administrator (OMSA) version 9.5 Microsoft Windows installations with Distributed Web Server (DWS) enabled configuration contains an authentication bypass vulnerability. A remote unauthenticated attacker could potentially exploit this vulnerability to gain admin access on the affected system.

Affected products

• Dell OpenManage Server Administrator: before 9.4.0.3; from 9.5.0.0 before 9.5.0.1 — fixed in 9.4.0.3, 9.5.0.1

How to fix

Upgrade to a fixed version: Dell OpenManage Server Administrator 9.4.0.3, 9.5.0.1. Check the vendor advisory for mitigations.

References

• https://www.dell.com/support/kbdoc/en-us/000183670/dsa-2021-040-dell-emc-openmanage-server-administrator-omsa-security-update-for-multiple-vulnerabilities
• https://www.tenable.com/security/research/tra-2021-07
• https://www.dell.com/support/kbdoc/en-us/000183670/dsa-2021-040-dell-emc-openmanage-server-administrator-omsa-security-update-for-multiple-vulnerabilities
• https://www.tenable.com/security/research/tra-2021-07

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