CVE-2020-20231

MEDIUM

Mikrotik RouterOS <= 6.48.3 - Authenticated Denial of Service via /nova/bin/detnet NULL Pointer Dereference

Title source: llm

Description

Mikrotik RouterOs through stable version 6.48.3 suffers from a memory corruption vulnerability in the /nova/bin/detnet process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).

References (2)

Core 2

Core References

Vendor Advisory x_refsource_misc

https://mikrotik.com/

Exploit, Third Party Advisory x_refsource_misc

https://github.com/cq674350529/pocs_slides/blob/master/advisory/MikroTik/CVE-2020-20231/README.md

View Exploit ZIP pw:eip

Scores

CVSS v3 6.5

EPSS 0.0201

EPSS Percentile 78.4%

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 CWE-787

Status published

Products (1)

mikrotik/routeros 6.44.6 - 6.48.3

Published Jul 14, 2021

Tracked Since Feb 18, 2026