Server-Side Request Forgery (SSRF) in VMware vRealize Operations Manager (vROps) - CVE-2021-21975
Published: March 31, 2021 / Updated: August 16, 2022
Vulnerability identifier: #VU51807
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-21975
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input within the vRealize Operations Manager API. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.
Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.
Affected software
VMware vRealize Operations Manager (vROps)
Dell Enterprise Hybrid Cloud
Dell Enterprise Hybrid Cloud
How to mitigate CVE-2021-21975
Install updates from vendor's website.
Dell Enterprise Hybrid Cloud - update to 4.1.2
Links to Public Exploits and PoC-codes
- Exploit #8257 - 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 #6869 - VMWare-vRealize-SSRF (VMWare vRealize SSRF-CVE-2021-21975) (October 11, 2021)
- Exploit #6799 - exp_hub (漏洞复现与poc收集，CVE-2021-21975，cve-2021-22005，CVE-2021-26295，VMware vCenter任意文件读取) (September 29, 2021)
- Exploit #6604 - CVE-2021-21975 ([CVE-2021-21975] VMware vRealize Operations Manager API Server Side Request Forgery (SSRF)) (August 8, 2021)
- Exploit #6503 - CVE-2021-21975 () (July 4, 2021)
- Exploit #5569 - REALITY_SMASHER (vRealize RCE + Privesc (CVE-2021-21975, CVE-2021-21983, CVE-0DAY-?????)) (June 16, 2021)
- Exploit #5549 - VMWare-CVE-2021-21975 (VMWare-CVE-2021-21975 SSRF vulnerability) (June 10, 2021)
- Exploit #5470 - CVE-2021-21975 (Nmap script to check vulnerability CVE-2021-21975) (May 24, 2021)
- Exploit #5363 - VMware vRealize Operations (vROps) Manager SSRF RCE (May 9, 2021)
- Exploit #5267 - CVE2021-21975 () (April 6, 2021)