Vulnerability Database

309,234

Total vulnerabilities in the database

CVE-2021-27221

MikroTik RouterOS 6.47.9 allows remote authenticated ftp users to create or overwrite arbitrary .rsc files via the /export command. NOTE: the vendor's position is that this is intended behavior because of how user policies work

  • Published: Mar 19, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-27221
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.1
  • AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 8.5
  • AV:N/AC:L/Au:S/C:N/I:C/A:C

No CWE or OWASP classifications available.

Software From Fixed in
mikrotik / routeros 6.47.9 6.47.9.x