{"schema":"threatline.record/2","record":{"id":"CVE-2020-3452","aliases":[],"summary":"Cisco ASA and FTD Read-Only Path Traversal Vulnerability","details":"Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) contain an improper input validation vulnerability when HTTP requests process URLs.  An attacker could exploit this vulnerability by sending a crafted HTTP request containing directory traversal character sequences to an affected device. A successful exploit could allow the attacker to view arbitrary files within the web services file system on the targeted device.","categories":["Network & edge"],"product":"Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD)","vendor":"Cisco","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-3452","source_modified_at":"2025-10-21T23:35:39.038Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Cisco Adaptive Security Appliance (ASA) Software","vendor":"Cisco","versions":[{"lessThan":"9.6.4.42","status":"affected","version":"unspecified","versionType":"custom"},{"lessThan":"9.8.4.20","status":"affected","version":"unspecified","versionType":"custom"},{"lessThan":"9.9.2.74","status":"affected","version":"unspecified","versionType":"custom"},{"lessThan":"9.10.1.42","status":"affected","version":"unspecified","versionType":"custom"},{"lessThan":"9.13.1.10","status":"affected","version":"unspecified","versionType":"custom"},{"lessThan":"9.14.1.10","status":"affected","version":"unspecified","versionType":"custom"}],"defaultStatus":null}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-3452","source_modified_at":"2025-10-21T23:35:39.038Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Cisco Adaptive Security Appliance (ASA) Software","ecosystem":null},"version":"9.6.4.42","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-3452","source_modified_at":"2025-10-21T23:35:39.038Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Cisco Adaptive Security Appliance (ASA) Software","ecosystem":null},"version":"9.8.4.20","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-3452","source_modified_at":"2025-10-21T23:35:39.038Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Cisco Adaptive Security Appliance (ASA) Software","ecosystem":null},"version":"9.9.2.74","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-3452","source_modified_at":"2025-10-21T23:35:39.038Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Cisco Adaptive Security Appliance (ASA) Software","ecosystem":null},"version":"9.10.1.42","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-3452","source_modified_at":"2025-10-21T23:35:39.038Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Cisco Adaptive Security Appliance (ASA) Software","ecosystem":null},"version":"9.13.1.10","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-3452","source_modified_at":"2025-10-21T23:35:39.038Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Cisco Adaptive Security Appliance (ASA) Software","ecosystem":null},"version":"9.14.1.10","basis":"first unaffected version stated in the CVE record"}],"cvss":7.5,"severity":"High","kev":{"listed":true,"date_added":"2021-11-03","due_date":"2022-05-03","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.99992,"percentile":0.99987,"score_date":"2026-10-23"},"published_at":"2020-07-22T20:00:22.049Z","modified_at":"2025-10-21T23:35:39.038Z","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-2020-3452","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:35:39.038Z"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/49262","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2020-12-15"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/48871","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2020-10-12"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/48722","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2020-07-28"},{"source":"Nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-3452.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-2020-3452","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Exploit-DB","Nuclei","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-3452","source":"CISA KEV"},{"source":"CVE List","url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ro-path-KJuQhB86","tags":["vendor-advisory","x_refsource_CISCO","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3452","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":"partial","assessed_at":"2025-02-04T15:34:29.959713Z"},"exploits":[{"source":"Exploit-DB","kind":"Webapps exploit","name":"Cisco ASA 9.14.1.10 and FTD 6.6.0.1 - Path Traversal 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product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-21T23:35:39.038Z","content_hash":"58d0d16f1f6d1730d1aca73f7874322d68e2fbe08b3de8430523ecdf636b566b"}}