{"schema":"threatline.record/2","record":{"id":"CVE-2021-36260","aliases":[],"summary":"Hikvision Improper Input Validation","details":"A command injection vulnerability in the web server of some Hikvision product. Due to the insufficient input validation.","categories":["Industrial & IoT"],"product":"Security cameras web server","vendor":"Hikvision","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2021-36260","source_modified_at":"2025-10-21T23:25:31.943Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}],"defaultStatus":null}],"fixed_versions":[],"cvss":9.8,"severity":"Critical","kev":{"listed":true,"date_added":"2022-01-10","due_date":"2022-01-24","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.99869,"percentile":0.99963,"score_date":"2026-10-23"},"published_at":"2021-09-22T12:07:55.000Z","modified_at":"2025-10-21T23:25:31.943Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2021-36260","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:25:31.943Z"},{"source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/hikvision_cve_2021_36260_blind.rb","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2021-09-18"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/50441","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2021-10-25"},{"source":"Nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-36260.yaml","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":null},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2021-36260","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Metasploit","Exploit-DB","Nuclei","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36260","source":"CISA KEV"},{"source":"CVE List","url":"https://www.hikvision.com/en/support/cybersecurity/security-advisory/security-notification-command-injection-vulnerability-in-some-hikvision-products/","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://www.cyfirma.com/wp-content/uploads/2022/08/HikvisionSurveillanceCamerasVulnerabilities.pdf","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://therecord.media/experts-warn-of-widespread-exploitation-involving-hikvision-cameras/","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-36260","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"total","assessed_at":"2025-02-06T19:45:37.745448Z"},"exploits":[{"source":"Metasploit","kind":"Exploit module","name":"Hikvision IP Camera Unauthenticated Command Injection","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/hikvision_cve_2021_36260_blind.rb","date":"2021-09-18","added":"2025-12-17","check":true},{"source":"Exploit-DB","kind":"Webapps exploit","name":"Hikvision Web Server Build 210702 - Command Injection","url":"https://www.exploit-db.com/exploits/50441","date":"2021-10-25","added":"2021-10-25","verified":false},{"source":"Nuclei","kind":"Scanner template","name":"Hikvision IP camera/NVR - Remote Command Execution","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-36260.yaml"}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"vendor and product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-21T23:25:31.943Z","content_hash":"3340087b964feab87c60a7b2076218e70a1e28bf1c0501c18c91de5d29f6ea56"}}