CVE-2018-1000809

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=<space>&pass= to /validate/check url. This vulnerability appears to have been fixed in 2.23.2.

• CWE-20

• https://github.com/privacyidea/privacyidea/commit/a3edc09beffa2104f357fe24971ea3211ce40751Patch, Third Party Advisory
• https://github.com/privacyidea/privacyidea/issues/1227Exploit, Patch, Third Party Advisory
• https://github.com/privacyidea/privacyidea/commit/a3edc09beffa2104f357fe24971ea3211ce40751Patch, Third Party Advisory
• https://github.com/privacyidea/privacyidea/issues/1227Exploit, Patch, Third Party Advisory

Published

Oct 8, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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