CVE-2020-20250

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

Mikrotik RouterOs before stable version 6.47 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). NOTE: this is different from CVE-2020-20253 and CVE-2020-20254. All four vulnerabilities in the /nova/bin/lcdstat process are discussed in the CVE-2020-20250 github.com/cq674350529 reference.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476CWE-787

Affected software

No affected versions have been published.

Timeline

Published
Jul 13, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-202526.5Mikrotik RouterOs before stable version 6.47 suffers from a memory corruption vulnerability in the /nova/bin/lcdstat process. An authenticatCVE-2020-202536.5Mikrotik RouterOs before 6.47 (stable tree) suffers from a divison by zero vulnerability in the /nova/bin/lcdstat process. An authenticated CVE-2020-202546.5Mikrotik RouterOs before 6.47 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/lcdstat process. An authenticateCVE-2020-20268.8A malicious guest compromised before a container creation (e.g. a malicious guest image or a guest running multiple containers) can trick thCVE-2020-202626.5Mikrotik RouterOs before 6.47 (stable tree) suffers from an assertion failure vulnerability in the /ram/pckg/security/nova/bin/ipsec processCVE-2020-202646.5Mikrotik RouterOs before 6.47 (stable tree) in the /ram/pckg/advanced-tools/nova/bin/netwatch process. An authenticated remote attacker can CVE-2020-202656.5Mikrotik RouterOs before 6.47 (stable tree) suffers from a memory corruption vulnerability in the /ram/pckg/wireless/nova/bin/wireless proceCVE-2020-202666.5Mikrotik RouterOs before 6.47 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/dot1x process. An authenticated CVE-2020-202676.5Mikrotik RouterOs before 6.47 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/resolver process. An authenticatCVE-2020-202699.8A specially crafted Markdown document could cause the execution of malicious JavaScript code in Caret Editor before 4.0.0-rc22.CVE-2020-20277.2A buffer overflow vulnerability in the authd component of the PAN-OS management server allows authenticated administrators to disrupt systemCVE-2020-202769.8An unauthenticated stack-based buffer overflow vulnerability in common.c's handle_PORT in uftpd FTP server versions 2.10 and earlier can be
CVE-2020-20250: Medium severity, CVSS 6.5 | Vulnix