How severe is CVE-2021-22010?

CVE-2021-22010 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-22010 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22010?

CVE-2021-22010 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-2021-22010?

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-2021-22010 published?

CVE-2021-22010 was published on 2021-09-23 and last updated on 2026-06-17.

CVE-2021-22010

CVE-2021-22010 is a high-severity vulnerability in Vmware Cloud Foundation with a CVSS 3.x base score of 7.5. 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-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
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 VPXD service. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to create a denial of service condition due to excessive memory consumption by VPXD service.

Frequently asked questions

What is CVE-2021-22010?: The vCenter Server contains a denial-of-service vulnerability in VPXD service. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to create a denial of service condition due to excessive memory consumption by VPXD service.
How severe is CVE-2021-22010?: CVE-2021-22010 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-22010 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22010?: CVE-2021-22010 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-2021-22010?: 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-2021-22010 published?: CVE-2021-22010 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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