CVE-2020-20222

MEDIUM

Mikrotik RouterOS 6.44.6 - Authenticated Denial of Service via Sniffer Process NULL Pointer Dereference

Title source: llm
STIX 2.1

Description

Mikrotik RouterOs 6.44.6 (long-term tree) suffers from a memory corruption vulnerability in the /nova/bin/sniffer 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/15

Scores

CVSS v3 6.5
EPSS 0.0317
EPSS Percentile 86.4%
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-476
Status published
Products (1)
mikrotik/routeros 6.44.6
Published May 18, 2021
Tracked Since Feb 18, 2026