{"schema":"threatline.record/2","record":{"id":"CVE-2020-2509","aliases":[],"summary":"QNAP Network-Attached Storage (NAS) Command Injection Vulnerability","details":"QNAP NAS devices contain a command injection vulnerability which could allow attackers to perform remote code execution.","categories":["Network & edge"],"product":"QNAP Network-Attached Storage (NAS)","vendor":"QNAP","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-2509","source_modified_at":"2025-10-21T23:25:49.063Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"QTS","vendor":"QNAP Systems Inc.","versions":[{"lessThan":"4.5.2.1566 Build 20210202","status":"affected","version":"unspecified","versionType":"custom"},{"lessThan":"4.5.1.1495 Build 20201123","status":"affected","version":"unspecified","versionType":"custom"},{"lessThan":"4.3.6.1620 Build 20210322","status":"affected","version":"unspecified","versionType":"custom"},{"lessThan":"4.3.4.1632 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instructions.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.33987,"percentile":0.98399,"score_date":"2026-10-23"},"published_at":"2021-04-17T03:50:12.655Z","modified_at":"2025-10-21T23:25:49.063Z","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-2020-2509","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:25:49.063Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2020-2509","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-2509","source":"CISA KEV"},{"source":"CVE 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