{"id":"CVE-2020-9500","aliases":["EUVD-2020-30306","GHSA-wc34-c3wp-3988"],"status":"published","title":"Some products of Dahua have Denial of Service vulnerabilities. After the successful login of the...","description":"Some products of Dahua have Denial of Service vulnerabilities. After the successful login of the legal account, the attacker sends a specific log query command, which may cause the device to go down.","severity":{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01049,"percentile":0.64476,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2020-04-09T13:21:01Z","modified":"2026-06-17T03:28:04Z","products":[{"vendor":"dahuasecurity","product":"ipc-hx2xxx_firmware"},{"vendor":"dahuasecurity","product":"ipc-hx5842h_firmware"},{"vendor":"dahuasecurity","product":"ipc-hx7842h_firmware"},{"vendor":"dahuasecurity","product":"ipc-hxxx5x4x_firmware"},{"vendor":"dahuasecurity","product":"n42b1p_firmware"},{"vendor":"dahuasecurity","product":"n42b2p_firmware"},{"vendor":"dahuasecurity","product":"n42b3p_firmware"},{"vendor":"dahuasecurity","product":"n52a4p_firmware"},{"vendor":"dahuasecurity","product":"n52b2p_firmware"},{"vendor":"dahuasecurity","product":"n52b3p_firmware"},{"vendor":"dahuasecurity","product":"n52b5p_firmware"},{"vendor":"dahuasecurity","product":"n54a4p_firmware"},{"vendor":"dahuasecurity","product":"n54b2p_firmware"},{"vendor":"dahuasecurity","product":"ptz1a_firmware"},{"vendor":"dahuasecurity","product":"sd1a_firmware"},{"vendor":"dahuasecurity","product":"sd50_firmware"},{"vendor":"dahuasecurity","product":"sd52c_firmware"},{"vendor":"dahuasecurity","product":"sd5a_firmware"},{"vendor":"dahuasecurity","product":"sd6al_firmware"}],"references":[{"url":"https://www.dahuasecurity.com/support/cybersecurity/details/727","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-9500"},{"url":"https://github.com/advisories/GHSA-wc34-c3wp-3988"}],"sources":{"cve":[{"id":"CVE-2020-9500","description":"Some products of Dahua have Denial of Service vulnerabilities. After the successful login of the legal account, the attacker sends a specific log query command, which may cause the device to go down.","status":"published","published":"2020-04-09T13:21:01Z","modified":"2024-08-04T10:34:37.927Z","updated_at":"2026-11-02T14:35:49.209579Z"}],"euvd":[{"id":"EUVD-2020-30306","description":"Some products of Dahua have Denial of Service vulnerabilities. After the successful login of the legal account, the attacker sends a specific log query command, which may cause the device to go down.","status":"published","published":"2020-04-09T13:21:01Z","modified":"2024-08-04T10:34:37Z","updated_at":"2026-11-03T03:07:53.493042Z"}],"ghsa":[{"id":"GHSA-wc34-c3wp-3988","title":"Some products of Dahua have Denial of Service vulnerabilities. After the successful login of the...","description":"Some products of Dahua have Denial of Service vulnerabilities. After the successful login of the legal account, the attacker sends a specific log query command, which may cause the device to go down.","status":"published","published":"2022-05-24T17:13:58Z","modified":"2023-01-29T05:02:02Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:44:58.707257Z"}],"nvd":[{"id":"CVE-2020-9500","description":"Some products of Dahua have Denial of Service vulnerabilities. After the successful login of the legal account, the attacker sends a specific log query command, which may cause the device to go down.","status":"published","published":"2020-04-09T14:15:13.26Z","modified":"2026-06-17T03:28:04.703Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:05:57.678762Z"}]}}