CVE-2021-21992 — MEDIUM (6.5)

Q: How severe is CVE-2021-21992?

CVE-2021-21992 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-21992?

Check the references section above for vendor advisories and patch information. Affected products include: Vmware Cloud Foundation, Vmware Vcenter Server.

Vulnerability Description

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.

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Vmware	Cloud Foundation	>= 3.0, < 3.10.2.2
Vmware	Vcenter Server	6.5

References

https://www.vmware.com/security/advisories/VMSA-2021-0020.htmlVendor Advisory
https://www.vmware.com/security/advisories/VMSA-2021-0020.htmlVendor Advisory

FAQ

What is CVE-2021-21992?

CVE-2021-21992 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 ...

How severe is CVE-2021-21992?

CVE-2021-21992 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-21992?

Check the references section above for vendor advisories and patch information. Affected products include: Vmware Cloud Foundation, Vmware Vcenter Server.