CVE-2020-20254

Mikrotik RouterOs before 6.47 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/lcdstat process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 77%
VendorProductVersion
mikrotikrouteros
𝑥
< 6.47
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
http://seclists.org/fulldisclosure/2021/May/14
http://seclists.org/fulldisclosure/2021/May/14
https://github.com/cq674350529/pocs_slides/blob/master/pocs/MikroTik/vul_lcdstat_2/README.md
http://seclists.org/fulldisclosure/2021/May/14
http://seclists.org/fulldisclosure/2021/May/14
https://github.com/cq674350529/pocs_slides/blob/master/pocs/MikroTik/vul_lcdstat_2/README.md