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Vulnerability record · CVE-2018-19367 · published 20 November 2018

CVE-2018-19367: Portainer vulnerability

Portainer · Portainer

Portainer through 1.19.2 provides an API endpoint (/api/users/admin/check) to verify that the admin user is already created. This API endpoint will return 404 if admin was not created and 204 if it was already created. Attackers can set an admin password in the 404 case.

9.8 CVSS 3.0 Critical EPSS 1.5% · top 27.3%
9.8CVSS 3.0 base score, v2 5.0
1.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

Portainer through 1.19.2 provides an API endpoint (/api/users/admin/check) to verify that the admin user is already created. This API endpoint will return 404 if admin was not created and 204 if it was already created. Attackers can set an admin password in the 404 case.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/lichti/shodan-portainer/ ExploitThird Party Advisory
https://github.com/portainer/portainer/issues/2475 ExploitIssue TrackingMitigationThird Party Advisory
https://github.com/lichti/shodan-portainer/ ExploitThird Party Advisory
https://github.com/portainer/portainer/issues/2475 ExploitIssue TrackingMitigationThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-19367), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.