VMware vCenter Server/Cloud Foundation vSphere Client Remote Privilege Escalation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in VMware vCenter Server and Cloud Foundation (Server Management Software) (affected version unknown). It has been declared as critical. Affected by this vulnerability is an unknown code of the component vSphere Client. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 02/25/2021 as VMSA-2021-0002. The advisory is shared at vmware.com. This vulnerability is known as CVE-2021-21972. The attack can be launched remotely. A single authentication is needed for exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Mikhail Klyuchnikov (__mn1__) in JHTML/JSP and been published before and not just after the advisory. It is declared as highly functional. It is possible to download the exploit at swarm.ptsecurity.com. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability.





CPE 2.3infoedit

CPE 2.2infoedit



VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

Vendor Base Score (VMware): 9.8
Vendor Vector (VMware): 🔒



VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍


Class: Unknown
CWE: Unknown
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Highly functional
Author: Mikhail Klyuchnikov (__mn1__)
Programming Language: 🔒
Download: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒


MetaSploit ID: exploits/multi/http/vmware_vcenter_uploadova_rce.
MetaSploit Name: VMware vCenter Server Unauthenticated OVA File Upload RCE
MetaSploit File: 🔒

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒


02/24/2021 Exploit disclosed
02/25/2021 +1 days Advisory disclosed
02/25/2021 +0 days VulDB entry created
02/26/2021 +1 days VulDB last update


Vendor: https://www.vmware.com/

Advisory: VMSA-2021-0002
Status: Confirmed

CVE: CVE-2021-21972 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20060413


Created: 02/25/2021 06:43 AM
Updated: 02/26/2021 12:56 PM
Changes: (1) vulnerability_cvss3_vendor_av
Complete: 🔍
Committer: vuln_info, misc


pavanp (+0)
13 days ago
Nice information

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