{"id":"CVE-2023-31893","aliases":["EUVD-2023-36182","GHSA-p744-6f8q-9x8h"],"status":"published","title":"Telefnica Brasil Vivo Play (IPTV) Firmware: 2023.04.04.01.06.15 is vulnerable to Denial of...","description":"Telefnica Brasil Vivo Play (IPTV) Firmware: 2023.04.04.01.06.15 is vulnerable to Denial of Service (DoS) via DNS Recursion.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00874,"percentile":0.59414,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-674"],"published":"2023-06-05T00:00:00Z","modified":"2026-06-17T05:57:38Z","products":[{"vendor":"telefonica","product":"brasil_vivo_play_firmware"}],"references":[{"url":"https://www.cert.br/docs/whitepapers/dns-recursivo-aberto/","tags":["x_transferred","Technical Description"]},{"url":"https://medium.com/%40shooterRX/dns-recursion-leads-to-dos-attack-vivo-play-iptv-cve-2023-31893-b5ac45f38f","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-31893"},{"url":"https://medium.com/@shooterRX/dns-recursion-leads-to-dos-attack-vivo-play-iptv-cve-2023-31893-b5ac45f38f"},{"url":"https://www.cert.br/docs/whitepapers/dns-recursivo-aberto"},{"url":"https://github.com/advisories/GHSA-p744-6f8q-9x8h"}],"sources":{"cve":[{"id":"CVE-2023-31893","description":"Telefnica Brasil Vivo Play (IPTV) Firmware: 2023.04.04.01.06.15 is vulnerable to Denial of Service (DoS) via DNS Recursion.","status":"published","published":"2023-06-05T00:00:00Z","modified":"2025-01-31T15:01:34.508Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T14:35:27.810438Z"}],"euvd":[{"id":"EUVD-2023-36182","description":"Telefnica Brasil Vivo Play (IPTV) Firmware: 2023.04.04.01.06.15 is vulnerable to Denial of Service (DoS) via DNS Recursion.","status":"published","published":"2023-06-05T00:00:00Z","modified":"2025-01-31T15:01:34Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T00:04:08.172652Z"}],"ghsa":[{"id":"GHSA-p744-6f8q-9x8h","title":"Telefnica Brasil Vivo Play (IPTV) Firmware: 2023.04.04.01.06.15 is vulnerable to Denial of...","description":"Telefnica Brasil Vivo Play (IPTV) Firmware: 2023.04.04.01.06.15 is vulnerable to Denial of Service (DoS) via DNS Recursion.","status":"published","published":"2023-06-05T21:30:16Z","modified":"2024-04-04T04:32:19Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T14:56:24.94679Z"}],"nvd":[{"id":"CVE-2023-31893","description":"Telefnica Brasil Vivo Play (IPTV) Firmware: 2023.04.04.01.06.15 is vulnerable to Denial of Service (DoS) via DNS Recursion.","status":"published","published":"2023-06-05T21:15:10.977Z","modified":"2026-06-17T05:57:38.64Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T14:08:05.329837Z"}]}}