Privilege escalation in VMware vCenter Server



Published: 2021-11-10 | Updated: 2021-11-23
Risk Medium
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2021-22048
CWE-ID CWE-264
Exploitation vector Local network
Public exploit N/A
Vulnerable software
Subscribe 		vCenter Server
Server applications / Virtualization software

Vendor VMware, Inc

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Security restrictions bypass

EUVDB-ID: #VU58104

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2021-22048

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to an error in the IWA (Integrated Windows Authentication) authentication mechanism. A remote authenticated user can escalate privileges on the system.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

vCenter Server: 6.7 - 7.0.0

External links

http://www.vmware.com/security/advisories/VMSA-2021-0025.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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



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