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No exploitation reportedFix available

CVE-2021-21513

No exploitation reported by the sources we read.

  • Published2021-03-02
  • Fixed in9.5.0.1 · 9.4.0.3
  • WeaknessCWE-287

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2021-03-0216:15CVE publishedNVD

Versions per branch

NVD
Dell openmanage server administrator
BranchAffectedFixed in
9.5≥ 9.5.0.0, < 9.5.0.19.5.0.1
9.4< 9.4.0.39.4.0.3

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Dell openmanage server administrator to 9.5.0.1 · 9.4.0.3

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CNACVSS 3.18.6known since 2026-10-23
  • NVDCVSS 3.19.8read 2026-10-23
  • NVDCVSS 2.07.5read 2026-10-23
  • CNAweakness (CWE)CWE-287known since 2026-10-23
  • NVDweakness (CWE)CWE-287read 2026-10-23
  • FIRST EPSSEPSS score5.9 %2026-11-08
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2021-03-02
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-47r6-8wvh-5vg2

Frequently asked questions

What is CVE-2021-21513?

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.

Is CVE-2021-21513 actively exploited?

Active exploitation of CVE-2021-21513 has not been confirmed. Its EPSS score was 5.9% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-21513?

CVE-2021-21513 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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