{"id":"CVE-2001-1488","aliases":["EUVD-2001-1466","GHSA-h77x-28x9-v84c"],"status":"published","title":"Open Projects Network Internet Relay Chat (IRC) daemon u2.10.05.18 does not perform a double...","description":"Open Projects Network Internet Relay Chat (IRC) daemon u2.10.05.18 does not perform a double-reverse DNS lookup, which allows remote attackers to spoof any valid hostname on the Internet.  NOTE: a followup post suggests that this is not an issue in the daemon.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01336,"percentile":0.71382,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2001-12-31T05:00:00Z","modified":"2026-06-16T21:56:22Z","products":[{"vendor":"open_projects_network","product":"open_projects_network_ircd"}],"references":[{"url":"http://www.securityfocus.com/archive/1/220380","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/219388/2003-04-27/2003-05-03/2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/7283","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2001-1488"},{"url":"https://github.com/advisories/GHSA-h77x-28x9-v84c"}],"sources":{"cve":[{"id":"CVE-2001-1488","description":"Open Projects Network Internet Relay Chat (IRC) daemon u2.10.05.18 does not perform a double-reverse DNS lookup, which allows remote attackers to spoof any valid hostname on the Internet.  NOTE: a followup post suggests that this is not an issue in the daemon.","status":"published","published":"2005-06-21T04:00:00Z","modified":"2024-08-08T04:58:11.303Z","updated_at":"2026-11-02T14:34:42.680977Z"}],"euvd":[{"id":"EUVD-2001-1466","description":"Open Projects Network Internet Relay Chat (IRC) daemon u2.10.05.18 does not perform a double-reverse DNS lookup, which allows remote attackers to spoof any valid hostname on the Internet.  NOTE: a followup post suggests that this is not an issue in the daemon.","status":"published","published":"2005-06-21T04:00:00Z","modified":"2024-08-08T04:58:11Z","updated_at":"2026-11-03T00:56:27.245824Z"}],"ghsa":[{"id":"GHSA-h77x-28x9-v84c","title":"Open Projects Network Internet Relay Chat (IRC) daemon u2.10.05.18 does not perform a double...","description":"Open Projects Network Internet Relay Chat (IRC) daemon u2.10.05.18 does not perform a double-reverse DNS lookup, which allows remote attackers to spoof any valid hostname on the Internet.  NOTE: a followup post suggests that this is not an issue in the daemon.","status":"published","published":"2022-04-30T18:18:08Z","modified":"2023-01-30T05:05:22Z","updated_at":"2026-11-02T14:47:15.400856Z"}],"nvd":[{"id":"CVE-2001-1488","description":"Open Projects Network Internet Relay Chat (IRC) daemon u2.10.05.18 does not perform a double-reverse DNS lookup, which allows remote attackers to spoof any valid hostname on the Internet.  NOTE: a followup post suggests that this is not an issue in the daemon.","status":"published","published":"2001-12-31T05:00:00Z","modified":"2026-06-16T21:56:22.157Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:41.313877Z"}]}}