{"id":"CVE-2004-0640","aliases":["DEBIAN-CVE-2004-0640","DSA-529","EUVD-2004-0639","GHSA-fhrm-2hv9-qhh7"],"status":"published","title":"Format string vulnerability in the SSL_set_verify function in telnetd.c for SSLtelnet daemon ...","description":"Format string vulnerability in the SSL_set_verify function in telnetd.c for SSLtelnet daemon (SSLtelnetd) 0.13 allows remote attackers to execute arbitrary code.","severity":{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.04487,"percentile":0.91539,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2004-07-09T04:00:00Z","modified":"2026-10-21T15:47:28Z","fixes":[{"ecosystem":"Debian:12","package":"netkit-telnet-ssl","fixed_in":["0.17.24+0.1-2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"netkit-telnet-ssl","fixed_in":["0.17.24+0.1-2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"netkit-telnet-ssl","fixed_in":["0.17.24+0.1-2"],"sources":["osv"]},{"ecosystem":"Debian:3.0","package":"netkit-telnet-ssl","fixed_in":["0.17.17+0.1-2woody1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"netkit-telnet-ssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.17.24+0.1-2"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"netkit-telnet-ssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.17.24+0.1-2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"netkit-telnet-ssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.17.24+0.1-2"}]}]},{"source":"osv","ecosystem":"Debian:3.0","package":"netkit-telnet-ssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.17.17+0.1-2woody1"}]}]}],"products":[{"vendor":"netkit","product":"linux_netkit"},{"vendor":"ssltelnetd","product":"secure_telnet"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/16653","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"http://www.idefense.com/application/poi/display?id=114\u0026type=vulnerabilities","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"http://www.debian.org/security/2004/dsa-529","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Patch","Vendor Advisory","advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2004-0640"},{"url":"https://github.com/advisories/GHSA-fhrm-2hv9-qhh7"},{"url":"https://security-tracker.debian.org/tracker/CVE-2004-0640","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2004-0640","description":"Format string vulnerability in the SSL_set_verify function in telnetd.c for SSLtelnet daemon (SSLtelnetd) 0.13 allows remote attackers to execute arbitrary code.","status":"published","published":"2004-07-09T04:00:00Z","modified":"2024-08-08T00:24:27.004Z","updated_at":"2026-11-02T14:34:55.098814Z"}],"euvd":[{"id":"EUVD-2004-0639","description":"Format string vulnerability in the SSL_set_verify function in telnetd.c for SSLtelnet daemon (SSLtelnetd) 0.13 allows remote attackers to execute arbitrary code.","status":"published","published":"2004-07-09T04:00:00Z","modified":"2024-08-08T00:24:27Z","updated_at":"2026-11-03T01:15:18.253357Z"}],"ghsa":[{"id":"GHSA-fhrm-2hv9-qhh7","title":"Format string vulnerability in the SSL_set_verify function in telnetd.c for SSLtelnet daemon ...","description":"Format string vulnerability in the SSL_set_verify function in telnetd.c for SSLtelnet daemon (SSLtelnetd) 0.13 allows remote attackers to execute arbitrary code.","status":"published","published":"2022-04-29T02:58:04Z","modified":"2023-01-30T05:02:58Z","updated_at":"2026-11-02T14:46:44.594683Z"}],"nvd":[{"id":"CVE-2004-0640","description":"Format string vulnerability in the SSL_set_verify function in telnetd.c for SSLtelnet daemon (SSLtelnetd) 0.13 allows remote attackers to execute arbitrary code.","status":"published","published":"2004-08-06T04:00:00Z","modified":"2026-06-16T22:06:04.297Z","cvss":[{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:00:51.000028Z"}],"osv":[{"id":"CVE-2004-0640","description":"Format string vulnerability in the SSL_set_verify function in telnetd.c for SSLtelnet daemon (SSLtelnetd) 0.13 allows remote attackers to execute arbitrary code.","status":"published","published":"2004-08-06T04:00:00Z","modified":"2026-04-10T03:36:23.979506Z","updated_at":"2026-11-02T15:43:56.315348Z"},{"id":"DEBIAN-CVE-2004-0640","description":"Format string vulnerability in the SSL_set_verify function in telnetd.c for SSLtelnet daemon (SSLtelnetd) 0.13 allows remote attackers to execute arbitrary code.","status":"published","published":"2004-08-06T04:00:00Z","modified":"2026-10-21T15:47:28.062100191Z","updated_at":"2026-11-02T15:45:22.55978Z"},{"id":"DSA-529","title":"netkit-telnet-ssl - format string","status":"published","published":"2004-07-17T00:00:00Z","modified":"2026-03-09T02:09:37.327093Z","updated_at":"2026-11-02T15:46:17.543497Z"}]}}