#VU51808 Arbitrary file upload in VMware vRealize Operations Manager (vROps) - CVE-2021-21983

Vulnerability identifier: #VU51808

Vulnerability risk: Medium

CVSSv4.0: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Green]

CVE-ID: CVE-2021-21983

CWE-ID: CWE-434

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
VMware vRealize Operations Manager (vROps)
Server applications / Virtualization software

Vendor: VMware, Inc

Description

The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload in vRealize Operations Manager API. A remote privileged user can upload a malicious file and execute it on the server.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

VMware vRealize Operations Manager (vROps): 7.5 - 8.3.0

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External links
https://www.vmware.com/security/advisories/VMSA-2021-0004.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.