Vulnerability identifier: #VU56799

Vulnerability risk: Medium

CVSSv3.1: 5.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-22010

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
vCenter Server
Server applications / Virtualization software

Vendor: VMware, Inc

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources within the VPXD (Virtual Provisioning X Daemon) service. A remote attacker can send a secially crafted HTTP request to port 443/TCP and consume all available memory resources.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

vCenter Server: 6.7 - 7.0.0

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External links
http://www.vmware.com/security/advisories/VMSA-2021-0020.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.