Arbitrary file upload in VMware vRealize Operations Manager (vROps) - CVE-2021-21983
Published: March 31, 2021 / Updated: August 16, 2022
Vulnerability identifier: #VU51808
CSH Severity: Medium
CVSS v4: 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]
CVE-ID: CVE-2021-21983
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
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.
Affected software
VMware vRealize Operations Manager (vROps)
Dell Enterprise Hybrid Cloud
Dell Enterprise Hybrid Cloud
How to mitigate CVE-2021-21983
Install updates from vendor's website.
Dell Enterprise Hybrid Cloud - update to 4.1.2
Links to Public Exploits and PoC-codes
- Exploit #8256 - CVE-2021-21983 ([CVE-2021-21983] VMware vRealize Operations (vROps) Manager API Arbitrary File Write Leads to Remote Code Execution (RCE)) (August 16, 2022)
- Exploit #5568 - REALITY_SMASHER (vRealize RCE + Privesc (CVE-2021-21975, CVE-2021-21983, CVE-0DAY-?????)) (June 16, 2021)
- Exploit #5362 - VMware vRealize Operations (vROps) Manager SSRF RCE (May 9, 2021)