{"schema":"threatline.record/2","record":{"id":"CVE-2017-7921","aliases":[],"summary":"Hikvision Multiple Products Improper Authentication Vulnerability","details":"Multiple Hikvision products contain an improper authentication vulnerability that could allow a malicious user to escalate privileges on the system and gain access to sensitive information.","categories":["Industrial & IoT"],"product":"Multiple Products","vendor":"Hikvision","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2017-7921","source_modified_at":"2026-03-06T05:01:18.718Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Hikvision Cameras","vendor":"n/a","versions":[{"status":"affected","version":"Hikvision Cameras"}],"defaultStatus":null}],"fixed_versions":[],"cvss":9.8,"severity":"Critical","kev":{"listed":true,"date_added":"2026-03-05","due_date":"2026-03-26","required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.99998,"percentile":0.9999,"score_date":"2026-10-23"},"published_at":"2017-05-06T00:00:00.000Z","modified_at":"2026-03-06T05:01:18.718Z","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-2017-7921","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-03-06T05:01:18.718Z"},{"source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/admin/http/hikvision_unauth_pwd_reset_cve_2017_7921.rb","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2017-09-23"},{"source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/gather/hikvision_info_disclosure_cve_2017_7921.rb","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2017-09-23"},{"source":"Nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2017/CVE-2017-7921.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-2017-7921","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Metasploit","Nuclei","EPSS"],"references":[{"source":"CVE List","url":"https://www.hikvision.com/us-en/support/document-center/special-notices/privilege-escalating-vulnerability-in-certain-hikvision-ip-cameras/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-7921","source":"CISA KEV"},{"source":"CVE List","url":"https://ics-cert.us-cert.gov/advisories/ICSA-17-124-01","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://ghostbin.com/paste/q2vq2","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://www.hikvision.com/cn/support/CybersecurityCenter/SecurityNotices/20170314/"},{"source":"CVE List","url":"https://www.hikvision.com/en/support/cybersecurity/security-advisory/security-notification--privilege-escalating-vulnerability-in-cer/"},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-7921","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":"2026-03-05T00:00:00+00:00"},"exploits":[{"source":"Metasploit","kind":"Auxiliary module","name":"Hikvision IP Camera Unauthenticated Password Change Via Improper Authentication Logic","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/admin/http/hikvision_unauth_pwd_reset_cve_2017_7921.rb","date":"2017-09-23","added":"2026-04-15","check":true},{"source":"Metasploit","kind":"Auxiliary module","name":"Unauthenticated information disclosure such as configuration, credentials and camera snapshots of a vulnerable Hikvision IP Camera","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/gather/hikvision_info_disclosure_cve_2017_7921.rb","date":"2017-09-23","added":"2026-10-13","check":true},{"source":"Nuclei","kind":"Scanner template","name":"Hikvision - Authentication Bypass","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2017/CVE-2017-7921.yaml"}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"vendor and product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-03-06T05:01:18.718Z","content_hash":"4478ef49e48db5d08d712648426df45505e15a475d25f2f181cbee5a072a7e30"}}