How severe is CVE-2021-21513?

CVE-2021-21513 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.

Is CVE-2021-21513 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-21513?

CVE-2021-21513 affects Dell Openmanage Server Administrator. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-21513?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-21513 published?

CVE-2021-21513 was published on 2021-03-02 and last updated on 2026-06-17.

CVE-2021-21513

CVE-2021-21513 is a high-severity vulnerability in Dell Openmanage Server Administrator with a CVSS 3.x base score of 8.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 3.x base score 8.6)
CVSS v2: 7.5
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Dell Openmanage Server Administrator
Published: 2021-03-02
Last modified: 2026-06-17

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.

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.
How severe is CVE-2021-21513?: CVE-2021-21513 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.
Is CVE-2021-21513 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-21513?: CVE-2021-21513 affects Dell Openmanage Server Administrator. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-21513?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-21513 published?: CVE-2021-21513 was published on 2021-03-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:dell:openmanage_server_administrator:*:*:*:*:*:*:*:*

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Other CWE-287 (Improper Authentication) vulnerabilities

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