How severe is CVE-2021-21533?

CVE-2021-21533 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2021-21533 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-21533?

CVE-2021-21533 affects Dell Wyse Management Suite. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-21533?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-21533 published?

CVE-2021-21533 was published on 2021-04-02 and last updated on 2026-06-17.

CVE-2021-21533

CVE-2021-21533 is a medium-severity vulnerability in Dell Wyse Management Suite with a CVSS 3.x base score of 4.3. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Dell Wyse Management Suite
Published: 2021-04-02
Last modified: 2026-06-17

Description

Wyse Management Suite versions up to 3.2 contains a vulnerability wherein a malicious authenticated user can cause a denial of service in the job status retrieval page, also affecting other users that would have normally access to the same subset of job details

Frequently asked questions

What is CVE-2021-21533?: Wyse Management Suite versions up to 3.2 contains a vulnerability wherein a malicious authenticated user can cause a denial of service in the job status retrieval page, also affecting other users that would have normally access to the same subset of job details
How severe is CVE-2021-21533?: CVE-2021-21533 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2021-21533 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-21533?: CVE-2021-21533 affects Dell Wyse Management Suite. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-21533?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-21533 published?: CVE-2021-21533 was published on 2021-04-02 and last updated on 2026-06-17.

References

https://www.dell.com/support/kbdoc/en-us/000184666/dsa-2021-070-dell-wyse-management-suite-security-update-for-multiple-vulnerabilities

Affected products (1)

cpe:2.3:a:dell:wyse_management_suite:*:*:*:*:*:*:*:*

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