Is CVE-2021-22019 in the CISA KEV catalog?

No. CVE-2021-22019 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-22019?

CVE-2021-22019 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-22019?

CVE-2021-22019 has an EPSS score of 1.56% (72th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-22019?

Upgrade cloud foundation to 4.3 or later.

CVE & CISA-KEV Catalog

CVE-2021-22019

HIGHEPSS 72th pctl

7.5

CVSS v3

NVD

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.

How to fix

Remediation Available

cloud foundationNVD

Affected:>= 4.0, < 4.3Fixed in:4.3CVE-2021-22019derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

1.56%probability of exploitation in 30 days

72ndpercentile

Elevated risk: more likely to be exploited than 72% of all known CVEs.

References

Patch1

vmware.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.