{"id":"CVE-2023-49203","aliases":["EUVD-2023-53207","GHSA-qc32-xfvc-33fg"],"status":"published","title":"Technitium 11.5.3 allows remote attackers to cause a denial of service (bandwidth amplification)...","description":"Technitium 11.5.3 allows remote attackers to cause a denial of service (bandwidth amplification) because the DNSBomb manipulation causes accumulation of low-rate DNS queries such that there is a large-sized response in a burst of traffic.","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":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00648,"percentile":0.51553,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-406"],"published":"2024-09-18T00:00:00Z","modified":"2026-10-28T02:31:04Z","products":[{"vendor":"technitium","product":"dns_server"},{"vendor":"technitium","product":"dnsserver"}],"references":[{"url":"https://technitium.com/dns/","tags":["Product","web"]},{"url":"https://gist.github.com/idealeer/89947ca07836fd0f7e9761198ca9a0f3.","tags":["Broken Link","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-49203","tags":["advisory"]},{"url":"https://technitium.com/dns"},{"url":"https://github.com/advisories/GHSA-qc32-xfvc-33fg"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/49xxx/CVE-2023-49203.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-49203","description":"Technitium 11.5.3 allows remote attackers to cause a denial of service (bandwidth amplification) because the DNSBomb manipulation causes accumulation of low-rate DNS queries such that there is a large-sized response in a burst of traffic.","status":"published","published":"2024-09-18T00:00:00Z","modified":"2024-09-18T18:20:55.994Z","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-406"],"updated_at":"2026-11-02T14:35:13.368958Z"}],"euvd":[{"id":"EUVD-2023-53207","description":"Technitium 11.5.3 allows remote attackers to cause a denial of service (bandwidth amplification) because the DNSBomb manipulation causes accumulation of low-rate DNS queries such that there is a large-sized response in a burst of traffic.","status":"published","published":"2024-09-18T00:00:00Z","modified":"2024-09-18T18:20:55Z","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":"2026-11-03T00:28:20.565617Z"}],"ghsa":[{"id":"GHSA-qc32-xfvc-33fg","title":"Technitium 11.5.3 allows remote attackers to cause a denial of service (bandwidth amplification)...","description":"Technitium 11.5.3 allows remote attackers to cause a denial of service (bandwidth amplification) because the DNSBomb manipulation causes accumulation of low-rate DNS queries such that there is a large-sized response in a burst of traffic.","status":"published","published":"2024-09-18T15:30:52Z","modified":"2024-09-18T21:32:43Z","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-406"],"updated_at":"2026-11-02T14:58:18.045833Z"}],"nvd":[{"id":"CVE-2023-49203","description":"Technitium 11.5.3 allows remote attackers to cause a denial of service (bandwidth amplification) because the DNSBomb manipulation causes accumulation of low-rate DNS queries such that there is a large-sized response in a burst of traffic.","status":"published","published":"2024-09-18T15:15:14.513Z","modified":"2026-06-17T06:35:36.027Z","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":"secondary"}],"cwes":["CWE-406"],"updated_at":"2026-11-02T14:09:19.052418Z"}],"osv":[{"id":"CVE-2023-49203","description":"Technitium 11.5.3 allows remote attackers to cause a denial of service (bandwidth amplification) because the DNSBomb manipulation causes accumulation of low-rate DNS queries such that there is a large-sized response in a burst of traffic.","status":"published","published":"2024-09-18T00:00:00Z","modified":"2026-10-28T02:31:04.604176829Z","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":"2026-11-02T15:44:34.72355Z"}]}}