{"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":"2026-07-08T18:17:56.522654Z","published":"2018-10-08T15:29:01.057Z","references":[{"type":"FIX","url":"https://github.com/privacyidea/privacyidea/commit/a3edc09beffa2104f357fe24971ea3211ce40751"},{"type":"FIX","url":"https://github.com/privacyidea/privacyidea/issues/1227"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/privacyidea/privacyidea","events":[{"introduced":"0"},{"last_affected":"923de03c1bfd65817ebe0d4f884b6ca1c89c3e8b"},{"fixed":"a3edc09beffa2104f357fe24971ea3211ce40751"}],"database_specific":{"cpe":"cpe:2.3:a:privacyidea:privacyidea:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"2.23.1"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["v2.23.1","v2.23","v2.23dev8","v2.23dev7","v2.23dev6","v2.23dev4","v2.23dev3","v2.23dev2","v2.22","v2.22dev7","v2.22dev6","v2.22dev5","v2.22dev4","v2.22dev3","v2.22dev1","v2.22dev0","v2.21","v2.21dev2","v2.20","v2.19.1-1","v2.19.1","v2.19","v2.18","v2.18dev5","v2.17","v2.16","v2.16dev5","v2.16dev4","v2.15","v2.14","v2.13","v2.12","v2.11","v2.10","v2.10dev2","v2.9","v2.8","v2.7","v2.6","v2.4","v2.3","v2.3dev3","v2.3dev1","v2.2","v2.1","v2.0","v1.5.1","v1.4","v1.3.3","v1.3.2","v1.3.1","v1.3","v1.3-dev5","v1.3dev4","v1.3dev3","v1.3dev2","v1.2.1","v1.2","v1.1","v1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-1000809.json"}}],"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"}]}