What’s Vulnerable › Vulnerabilities

CVE-2018-1000809

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-10-08 · updated 2026-06-17
• Weakness: CWE-20

Description

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.

Affected products

• Privacyidea: through 2.23.1

References

• https://github.com/privacyidea/privacyidea/commit/a3edc09beffa2104f357fe24971ea3211ce40751
• https://github.com/privacyidea/privacyidea/issues/1227
• https://github.com/privacyidea/privacyidea/commit/a3edc09beffa2104f357fe24971ea3211ce40751
• https://github.com/privacyidea/privacyidea/issues/1227

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