CVE-2018-1000809

Name: CVE-2018-1000809
Creator: NVD / NIST
Published: 2018-10-08T15:29:01.057+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.68%

Last modified Jun 17, 2026

CVE-2018-1000809 is a vulnerability of currently unknown severity. 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. EPSS estimates a 1.68% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.68%

73.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Privacyidea	Privacyidea	<= 2.23.1

References

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

Timeline

Published: Oct 8, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1000809?

How severe is CVE-2018-1000809?

Severity scoring for CVE-2018-1000809 is pending analysis. The EPSS model estimates a 1.68% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1000809?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-1000809?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST