{"id":"CVE-1999-1099","aliases":["EUVD-1999-1080","GHSA-2pcq-6v3q-5737"],"status":"published","title":"Kerberos 4 allows remote attackers to obtain sensitive information via a malformed UDP packet...","description":"Kerberos 4 allows remote attackers to obtain sensitive information via a malformed UDP packet that generates an error string that inadvertently includes the realm name and the last user.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01309,"percentile":0.70825,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"1996-11-22T05:00:00Z","modified":"2026-06-16T21:49:43Z","products":[{"vendor":"kth","product":"kth_kerberos"}],"references":[{"url":"http://marc.info/?l=bugtraq\u0026m=87602167420184\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/65","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-1999-1099"},{"url":"https://github.com/advisories/GHSA-2pcq-6v3q-5737"}],"sources":{"cve":[{"id":"CVE-1999-1099","description":"Kerberos 4 allows remote attackers to obtain sensitive information via a malformed UDP packet that generates an error string that inadvertently includes the realm name and the last user.","status":"published","published":"2002-03-09T05:00:00Z","modified":"2024-08-01T17:02:53.741Z","updated_at":"2026-11-02T14:33:53.295018Z"}],"euvd":[{"id":"EUVD-1999-1080","description":"Kerberos 4 allows remote attackers to obtain sensitive information via a malformed UDP packet that generates an error string that inadvertently includes the realm name and the last user.","status":"published","published":"2002-03-09T05:00:00Z","modified":"2024-08-01T17:02:53Z","updated_at":"2026-11-03T03:50:44.304075Z"}],"ghsa":[{"id":"GHSA-2pcq-6v3q-5737","title":"Kerberos 4 allows remote attackers to obtain sensitive information via a malformed UDP packet...","description":"Kerberos 4 allows remote attackers to obtain sensitive information via a malformed UDP packet that generates an error string that inadvertently includes the realm name and the last user.","status":"published","published":"2022-04-30T18:11:47Z","modified":"2023-01-30T05:04:40Z","updated_at":"2026-11-02T14:47:05.929455Z"}],"nvd":[{"id":"CVE-1999-1099","description":"Kerberos 4 allows remote attackers to obtain sensitive information via a malformed UDP packet that generates an error string that inadvertently includes the realm name and the last user.","status":"published","published":"1996-11-22T05:00:00Z","modified":"2026-06-16T21:49:43.19Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T13:58:19.254283Z"}]}}