Improper access control in VMware vCenter Server



Published: 2020-04-12
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-3952
CWE-ID CWE-284
Exploitation vector Network
Public exploit Vulnerability #1 is being exploited in the wild.
Vulnerable software
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vCenter Server
Server applications / Virtualization software

Vendor VMware, Inc

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Improper access control

EUVDB-ID: #VU26758

Risk: High

CVSSv3.1: 9.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2020-3952

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions within the VMware Directory Service (vmdir), that is shipped with VMware vCenter Server, as part of an embedded or external Platform Services Controller (PSC). A remote attacker can bypass implemented security restrictions and gain unauthorized access to sensitive information and compromise the affected system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

vCenter Server: 6.7 U3 - 6.7.0d


CPE2.3 External links

http://www.vmware.com/security/advisories/VMSA-2020-0006

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?

Yes. This vulnerability is being exploited in the wild.



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