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.
{
"nvd_published_at": null,
"severity": "HIGH",
"github_reviewed_at": "2020-06-16T21:23:21Z",
"github_reviewed": true,
"cwe_ids": [
"CWE-20"
]
}