CVE-2021-22019

CVE-2021-22019 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.

Key facts

Description

The vCenter Server contains a denial-of-service vulnerability in VAPI (vCenter API) service. A malicious actor with network access to port 5480 on vCenter Server may exploit this issue by sending a specially crafted jsonrpc message to create a denial of service condition.

Frequently asked questions

What is CVE-2021-22019?
The vCenter Server contains a denial-of-service vulnerability in VAPI (vCenter API) service. A malicious actor with network access to port 5480 on vCenter Server may exploit this issue by sending a specially crafted jsonrpc message to create a denial of service condition.
How severe is CVE-2021-22019?
CVE-2021-22019 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-2021-22019 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22019?
CVE-2021-22019 primarily affects Vmware Cloud Foundation. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-22019?
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-2021-22019 published?
CVE-2021-22019 was published on 2021-09-23 and last updated on 2026-06-17.

References

Affected products (4)

More vulnerabilities in Vmware Cloud Foundation

All CVEs affecting Vmware Cloud Foundation →