UpHeron
All vulnerabilities

Servers and applications

CVE-2018-19367

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.

Severity
Critical 9.8
Published
20 Nov 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.5% in the next 30 daysHigher than 73% of CVEs. EPSS by FIRST, 10 Nov 2026
Attack
Over the network · No login needed · No user action needed
Attacker can
Read data · Change data · Take it down
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Sources
NVD

Affected software

SoftwareAffected versions
PortainerServers and applications · cpe:a:portainer:portainer
  • Every version up to 1.19.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-19367
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-19367