All vulnerabilities

Servers and applications

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

Severity
High 8.1
Published
19 Mar 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
MikroTik RouterOSServers and applications · cpe:o:mikrotik:routeros
  • Version 6.47.9

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-27221
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-27221