CVE-2020-20219

MEDIUM

Mikrotik RouterOs 6.44.6 - Authenticated Denial of Service via IGMP Proxy NULL Pointer Dereference

Title source: llm

Description

Mikrotik RouterOs 6.44.6 (long-term tree) suffers from a memory corruption vulnerability in the /nova/bin/igmp-proxy process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).

References (2)

Core 2

Core References

Product x_refsource_misc

https://mikrotik.com/

Exploit, Mailing List, Third Party Advisory x_refsource_misc

https://seclists.org/fulldisclosure/2021/May/2

Scores

CVSS v3 6.5

EPSS 0.0198

EPSS Percentile 78.2%

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-787

Status published

Products (1)

mikrotik/routeros 6.44.6

Published Jul 21, 2021

Tracked Since Feb 18, 2026