Vulnerability Database

319,560

Total vulnerabilities in the database

CVE-2021-26804

Insecure Permissions in Centreon Web versions 19.10.18, 20.04.8, and 20.10.2 allows remote attackers to bypass validation by changing any file extension to ".gif", then uploading it in the "Administration/ Parameters/ Images" section of the application.

  • Published: May 4, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-26804
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.5
  • AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

CVSS v2:

  • Severity: Low
  • Score: 4
  • AV:N/AC:L/Au:S/C:N/I:P/A:N

CWEs:

Software From Fixed in
centreon / centreon_web 19.10.18 19.10.18.x
centreon / centreon_web 20.04.8 20.04.8.x
centreon / centreon_web 20.10.2 20.10.2.x