id: CVE-2021-21972 info: name: VMware vSphere Client (HTML5) - Remote Code Execution author: dwisiswant0 severity: critical description: "VMware vCenter vSphere Client (HTML5) contains a remote code execution vulnerability in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue to execute commands with unrestricted privileges on the underlying operating system that hosts vCenter Server. This affects VMware vCenter Server (7.x before 7.0 U1c, 6.7 before 6.7 U3l and 6.5 before 6.5 U3n) and VMware Cloud Foundation (4.x before 4.2 and 3.x before 3.10.1.2)." reference: - https://swarm.ptsecurity.com/unauth-rce-vmware/ - https://nvd.nist.gov/vuln/detail/CVE-2021-21972 classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H cvss-score: 9.8 cve-id: CVE-2021-21972 cwe-id: CWE-269 tags: cve,cve2021,vmware,rce,vcenter requests: - method: GET path: - "{{BaseURL}}/ui/vropspluginui/rest/services/getstatus" matchers-condition: and matchers: - type: status status: - 200 - type: word words: - "VSPHERE-UI-JSESSIONID" part: header condition: and - type: regex regex: - "(Install|Config) Final Progress" part: body # Enhanced by mp on 2022/05/05