How severe is CVE-2021-22020?

CVE-2021-22020 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-22020 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22020?

CVE-2021-22020 primarily affects Vmware Cloud Foundation. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-22020?

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

When was CVE-2021-22020 published?

CVE-2021-22020 was published on 2021-09-23 and last updated on 2026-06-17.

CVE-2021-22020

CVE-2021-22020 is a medium-severity vulnerability in Vmware Cloud Foundation with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Vmware Cloud Foundation
Published: 2021-09-23
Last modified: 2026-06-17

Description

The vCenter Server contains a denial-of-service vulnerability in the Analytics service. Successful exploitation of this issue may allow an attacker to create a denial-of-service condition on vCenter Server.

Frequently asked questions

What is CVE-2021-22020?: The vCenter Server contains a denial-of-service vulnerability in the Analytics service. Successful exploitation of this issue may allow an attacker to create a denial-of-service condition on vCenter Server.
How severe is CVE-2021-22020?: CVE-2021-22020 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-22020 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22020?: CVE-2021-22020 primarily affects Vmware Cloud Foundation. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-22020?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-22020 published?: CVE-2021-22020 was published on 2021-09-23 and last updated on 2026-06-17.

References

https://www.vmware.com/security/advisories/VMSA-2021-0020.html

Affected products (3)

cpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:6.7:-:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:-:*:*:*:*:*:*

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