#VU52988 NULL pointer dereference in MikroTik RouterOS - CVE-2020-20222

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Main Vulnerability Database Vulnerabilities #VU52988

#VU52988 NULL pointer dereference in MikroTik RouterOS - CVE-2020-20222

Published: May 10, 2021 / Updated: June 1, 2021


Vulnerability identifier: #VU52988
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-20222
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
MikroTik RouterOS
Software vendor:
MikroTik

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the sniffer process. A remote authenticated user can pass specially crafted data to the system and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

External links