CVE-2020-20253
MEDIUMMikrotik RouterOS < 6.47 - Authenticated Denial of Service via /nova/bin/lcdstat Division by Zero
Title source: llmDescription
Mikrotik RouterOs before 6.47 (stable tree) suffers from a divison by zero vulnerability in the /nova/bin/lcdstat process. An authenticated remote attacker can cause a Denial of Service due to a divide by zero error.
References (2)
Core 2
Core References
Broken Link, Third Party Advisory x_refsource_misc
https://github.com/cq674350529/pocs_slides/blob/master/pocs/MikroTik/vul_lcdstat_4/README.md
Exploit, Mailing List, Third Party Advisory mailing-list
x_refsource_fulldisc
http://seclists.org/fulldisclosure/2021/May/14
Scores
CVSS v3
6.5
EPSS
0.0210
EPSS Percentile
79.2%
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-369
Status
published
Products (1)
mikrotik/routeros
< 6.47
Published
May 18, 2021
Tracked Since
Feb 18, 2026