{"schema":"threatline.record/2","record":{"id":"CVE-2020-3259","aliases":[],"summary":"Cisco ASA and FTD Information Disclosure Vulnerability","details":"Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) contain an information disclosure vulnerability. An attacker could retrieve memory contents on an affected device, which could lead to the disclosure of confidential information due to a buffer tracking issue when the software parses invalid URLs that are requested from the web services interface. This vulnerability affects only specific AnyConnect and WebVPN configurations.","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-2020-3259","source_modified_at":"2026-08-12T03:56:04.930Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Cisco Adaptive Security Appliance (ASA) Software","vendor":"Cisco","versions":[{"status":"affected","version":"n/a"}],"defaultStatus":null}],"fixed_versions":[],"cvss":7.5,"severity":"High","kev":{"listed":true,"date_added":"2024-02-15","due_date":"2024-03-07","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","ransomware_campaign_use":"Known"},"epss":{"probability":0.715,"percentile":0.99418,"score_date":"2026-10-23"},"published_at":"2020-05-06T16:41:53.659Z","modified_at":"2026-08-12T03:56:04.930Z","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-2020-3259","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-08-12T03:56:04.930Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2020-3259","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-info-disclose-9eJtycMB","tags":["vendor-advisory","x_refsource_CISCO","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-3259","source":"CISA KEV"},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3259","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":"2024-02-14T00:00:00+00:00"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"vendor and product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-08-12T03:56:04.930Z","content_hash":"6aa7d2b07aaf30b589cf11de9e98d4ff2d658c03398248eafd24429da339343f"}}