{"schema":"threatline.record/2","record":{"id":"CVE-2021-1498","aliases":[],"summary":"Cisco HyperFlex HX Data Platform Command Injection Vulnerability","details":"Cisco HyperFlex HX Installer Virtual Machine contains an insufficient input validation vulnerability which could allow an attacker to execute commands on an affected device as the tomcat8 user.","categories":["Network & edge"],"product":"HyperFlex HX","vendor":"Cisco","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2021-1498","source_modified_at":"2025-10-21T23:25:47.170Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Cisco HyperFlex HX Data Platform","vendor":"Cisco","versions":[{"status":"affected","version":"n/a"}],"defaultStatus":null}],"fixed_versions":[],"cvss":9.8,"severity":"Critical","kev":{"listed":true,"date_added":"2021-11-03","due_date":"2021-11-17","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.99999,"percentile":0.99991,"score_date":"2026-10-23"},"published_at":"2021-05-06T12:41:31.982Z","modified_at":"2025-10-21T23:25:47.170Z","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-2021-1498","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:25:47.170Z"},{"source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/cisco_hyperflex_hx_data_platform_cmd_exec.rb","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2021-05-05"},{"source":"Nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-1498.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-2021-1498","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Metasploit","Nuclei","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-1498","source":"CISA KEV"},{"source":"CVE List","url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hyperflex-rce-TjjNrkpR","tags":["vendor-advisory","x_refsource_CISCO","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1498","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"total","assessed_at":"2024-11-08T15:51:49.397206Z"},"exploits":[{"source":"Metasploit","kind":"Exploit module","name":"Cisco HyperFlex HX Data Platform Command Execution","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/cisco_hyperflex_hx_data_platform_cmd_exec.rb","date":"2021-05-05","added":"2026-04-22","check":true},{"source":"Nuclei","kind":"Scanner template","name":"Cisco HyperFlex HX Data Platform - Remote Command Execution","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-1498.yaml"}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"vendor and product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-21T23:25:47.170Z","content_hash":"983d92c6a8ee39c06aaaf200d97f3f3428deee48ac42942619e8257246b06c80"}}