What is CVE-2021-21992?

CVE-2021-21992 is a medium-severity vulnerability in VMware Cloud Foundation. CVSS score: 6.5/10. Published 2021-09-22.

How severe is CVE-2021-21992?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in VMware Cloud Foundation

CVE-2021-21992

The vCenter Server contains a denial-of-service vulnerability due to improper XML entity parsing. A malicious actor with non-administrative user access to the vCenter Server vSphere Client (HTML5) or vCenter Server vSphere Web Client (FLEX/Flash) may exploit this issue to create a denial-of-service condition on the vCenter Server host.

EPSS: 0.010 (58.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Vmware Cloud_foundation
Vmware Vcenter_server — versions 6.5, 6.7, 7.0
N/a Vmware Vcenter Server, Cloud Foundation — versions VMware vCenter Server(7.x before 7.0 U2c, 6.7 before 6.7 U3o and 6.5 before 6.5 U3q) and VMware Cloud Foundation (4.x before 4.3 and 3.x before 3.10.2.2)

References

security@vmware.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-21992?: CVE-2021-21992 is a medium-severity vulnerability in VMware Cloud Foundation. CVSS score: 6.5/10. Published 2021-09-22.
How severe is CVE-2021-21992?: Medium severity. CVSS v3 base score is 6.5 out of 10.