{"schema":"threatline.record/2","record":{"id":"CVE-2020-5735","aliases":[],"summary":"Amcrest Cameras and NVR Stack-based Buffer Overflow Vulnerability","details":"Amcrest cameras and NVR contain a stack-based buffer overflow vulnerability through port 37777 that allows an unauthenticated, remote attacker to crash the device and possibly execute code.","categories":["Industrial & IoT"],"product":"Cameras and Network Video Recorder (NVR)","vendor":"Amcrest","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-5735","source_modified_at":"2025-10-21T23:35:47.086Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Amcrest","vendor":"n/a","versions":[{"status":"affected","version":"before 2.623.00AC004.0.R.200316, 2.420.AC00.18.R.20200217, 2.800.00AC000.0.R.200330, 2.800.0000000.6.R.200314.bin, 2.622.00AC000.0.R.200320.bin, and 4.000.00AC000.0.R.200218"}],"defaultStatus":null}],"fixed_versions":[],"cvss":8.8,"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":0.36217,"percentile":0.9848,"score_date":"2026-10-23"},"published_at":"2020-04-08T12:42:25.000Z","modified_at":"2025-10-21T23:35:47.086Z","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-2020-5735","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:35:47.086Z"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/48304","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2020-04-08"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2020-5735","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Exploit-DB","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5735","source":"CISA KEV"},{"source":"CVE List","url":"https://www.tenable.com/security/research/tra-2020-20","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-5735","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"no","technical_impact":"total","assessed_at":"2025-02-06T20:31:14.553025Z"},"exploits":[{"source":"Exploit-DB","kind":"Dos exploit","name":"Amcrest Dahua NVR Camera IP2M-841 - Denial of Service (PoC)","url":"https://www.exploit-db.com/exploits/48304","date":"2020-04-08","added":"2020-04-08","verified":false}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-21T23:35:47.086Z","content_hash":"6968ed39810d384394799008b0f5423254304ece8a1be7bd780192e445afb3d1"}}