CVE Vulnerabilities

CVE-2021-27221

Published: Mar 19, 2021 | Modified: Apr 11, 2024

CVSS 3.x

8.1

HIGH

Source:

NVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

CVSS 2.x

8.5 HIGH

RedHat/V2

RedHat/V3

Ubuntu

Additional information

NVD	https://nvd.nist.gov/vuln/detail/CVE-2021-27221
CWE	https://cwe.mitre.org/data/definitions/.html

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

Affected Software

Name	Vendor	Start Version	End Version
Routeros	Mikrotik	6.47.9 (including)	6.47.9 (including)

References

https://onovy.medium.com/routeros-user-with-just-ftp-policy-can-write-to-filesystem-cve-2021-27221-e3e45d780dfe

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