CVE-2021-27221

PoC —

CVSS 3.1

8.1 high

EPSS

4%p91

Published

Mar 19, 2021 (Mar 19, 2021)

Modified

Jun 17, 2026

Description

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

Vendors: mikrotik
Products: routeros
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (4.5%)

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