CVE-2020-20220

MEDIUM

Mikrotik RouterOS < 6.47 - Authenticated Denial of Service via /nova/bin/bfd Process

Title source: llm

Description

Mikrotik RouterOs prior to stable 6.47 suffers from a memory corruption vulnerability in the /nova/bin/bfd process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).

References (3)

Core 3

Core References

Product x_refsource_misc

https://mikrotik.com/

Exploit, Mailing List, Third Party Advisory mailing-list x_refsource_fulldisc

http://seclists.org/fulldisclosure/2021/May/23

Exploit, Third Party Advisory, VDB Entry x_refsource_misc

http://packetstormsecurity.com/files/162533/MikroTik-RouterOS-Memory-Corruption.html

Scores

CVSS v3 6.5

EPSS 0.0274

EPSS Percentile 84.3%

Attack Vector NETWORK

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

Details

CWE

CWE-119

Status published

Products (1)

mikrotik/routeros < 6.47

Published May 18, 2021

Tracked Since Feb 18, 2026