Vulnerability identifier: #VU56800

Vulnerability risk: Medium

CVSSv3.1: 6.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-22011

CWE-ID: CWE-287

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 bypass authentication process.

The vulnerability exists due to missing authentication for an API endpoint in vCenter Server Content Library. A remote non-authenticated attacker with access to port 443/TCP can gain unauthorized access to the system and perform unauthenticated VM network setting manipulation.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

vCenter Server: 6.5 - 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.