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CVE-2021-22019

HIGH
7.5
CVSS Score
Published: September 23, 2021 at 12:16 PM UTC
Updated: June 17, 2026 at 03:36 AM UTC
2 products affected across 1 vendorCloud FoundationvCenter Server

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Severity
HIGH7.5
Exploit prediction
EPSS 2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Cloud Foundation· VMware
95%
v < 7.03.0 ≤ v < 3.10.2.24.0 ≤ v < 4.3
Affected range stops below 3.10.2.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.0, so it looks safe — our inference, not a vendor statement
vCenter Server· VMware
95%
v < 7.06.56.77.0
Affected range stops below 7.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://www.vmware.com/security/advisories/VMSA-2021-0020.html

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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