How severe is CVE-2021-36336?

CVE-2021-36336 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-36336 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-36336?

CVE-2021-36336 affects Dell Wyse Management Suite. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-36336?

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

When was CVE-2021-36336 published?

CVE-2021-36336 was published on 2021-12-21 and last updated on 2026-06-17.

CVE-2021-36336

CVE-2021-36336 is a critical-severity vulnerability in Dell Wyse Management Suite with a CVSS 3.x base score of 9.8. 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-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Dell Wyse Management Suite
Published: 2021-12-21
Last modified: 2026-06-17

Description

Wyse Management Suite 3.3.1 and below versions contain a deserialization vulnerability that could allow an unauthenticated attacker to execute code on the affected system.

Frequently asked questions

What is CVE-2021-36336?: Wyse Management Suite 3.3.1 and below versions contain a deserialization vulnerability that could allow an unauthenticated attacker to execute code on the affected system.
How severe is CVE-2021-36336?: CVE-2021-36336 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-36336 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-36336?: CVE-2021-36336 affects Dell Wyse Management Suite. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-36336?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-36336 published?: CVE-2021-36336 was published on 2021-12-21 and last updated on 2026-06-17.

References

https://www.dell.com/support/kbdoc/000193079

Affected products (1)

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

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