{"id":"CVE-2022-33988","aliases":["EUVD-2022-37021","GHSA-xjcj-rmfc-7q3p"],"status":"published","title":"dproxy-nexgen (aka dproxy nexgen) re-uses the DNS transaction id (TXID) value from client queries...","description":"dproxy-nexgen (aka dproxy nexgen) re-uses the DNS transaction id (TXID) value from client queries, which allows attackers (able to send queries to the resolver) to conduct DNS cache-poisoning attacks because the TXID value is known to the attacker.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0123,"percentile":0.6913,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-444"],"published":"2022-08-15T12:09:50Z","modified":"2026-06-17T04:49:37Z","products":[{"vendor":"dproxy-nexgen_project","product":"dproxy-nexgen"}],"references":[{"url":"https://sourceforge.net/projects/dproxy/","tags":["x_refsource_MISC","x_transferred","Product","Third Party Advisory"]},{"url":"https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://www.openwall.com/lists/oss-security/2022/08/14/3","tags":["x_refsource_MISC","x_transferred","Exploit","Mailing List","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-33988"},{"url":"https://github.com/advisories/GHSA-xjcj-rmfc-7q3p"}],"sources":{"cve":[{"id":"CVE-2022-33988","description":"dproxy-nexgen (aka dproxy nexgen) re-uses the DNS transaction id (TXID) value from client queries, which allows attackers (able to send queries to the resolver) to conduct DNS cache-poisoning attacks because the TXID value is known to the attacker.","status":"published","published":"2022-08-15T12:09:50Z","modified":"2024-08-03T08:16:16.348Z","updated_at":"2026-11-02T14:34:40.275153Z"}],"euvd":[{"id":"EUVD-2022-37021","description":"dproxy-nexgen (aka dproxy nexgen) re-uses the DNS transaction id (TXID) value from client queries, which allows attackers (able to send queries to the resolver) to conduct DNS cache-poisoning attacks because the TXID value is known to the attacker.","status":"published","published":"2022-08-15T12:09:50Z","modified":"2024-08-03T08:16:16Z","updated_at":"2026-11-03T03:25:29.68115Z"}],"ghsa":[{"id":"GHSA-xjcj-rmfc-7q3p","title":"dproxy-nexgen (aka dproxy nexgen) re-uses the DNS transaction id (TXID) value from client queries...","description":"dproxy-nexgen (aka dproxy nexgen) re-uses the DNS transaction id (TXID) value from client queries, which allows attackers (able to send queries to the resolver) to conduct DNS cache-poisoning attacks because the TXID value is known to the attacker.","status":"published","published":"2022-08-16T00:00:25Z","modified":"2023-01-29T05:05:23Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-444"],"updated_at":"2026-11-02T14:45:46.865713Z"}],"nvd":[{"id":"CVE-2022-33988","description":"dproxy-nexgen (aka dproxy nexgen) re-uses the DNS transaction id (TXID) value from client queries, which allows attackers (able to send queries to the resolver) to conduct DNS cache-poisoning attacks because the TXID value is known to the attacker.","status":"published","published":"2022-08-15T13:15:17.807Z","modified":"2026-06-17T04:49:37.513Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-444"],"updated_at":"2026-11-02T14:07:25.242752Z"}]}}