CVE Vulnerabilities

CVE-2020-20213

Uncontrolled Recursion

Published: Jul 07, 2021 | Modified: Nov 07, 2022
CVSS 3.x
6.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
4 MEDIUM
AV:N/AC:L/Au:S/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu

Mikrotik RouterOs 6.44.5 (long-term tree) suffers from an stack exhaustion vulnerability in the /nova/bin/net process. An authenticated remote attacker can cause a Denial of Service due to overloading the systems CPU.

Weakness

The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.

Affected Software

Name Vendor Start Version End Version
Routeros Mikrotik 6.44.5 (including) 6.44.5 (including)

Potential Mitigations

References