{"id":"CVE-2018-1000809","details":"privacyIDEA version 2.23.1 and earlier contains a Improper Input Validation vulnerability in token validation api that can result in Denial-of-Service. This attack appear to be exploitable via http request with user=\u003cspace\u003e&pass= to /validate/check url. This vulnerability appears to have been fixed in 2.23.2.","aliases":["GHSA-7qqv-r2q4-jxhm","PYSEC-2018-20"],"modified":"2026-05-17T11:53:58.810716907Z","published":"2018-10-08T15:29:01.057Z","database_specific":{},"references":[{"type":"FIX","url":"https://github.com/privacyidea/privacyidea/commit/a3edc09beffa2104f357fe24971ea3211ce40751"},{"type":"FIX","url":"https://github.com/privacyidea/privacyidea/issues/1227"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}