All vulnerabilities

Servers and applications

CVE-2020-20221

Mikrotik RouterOs before 6.44.6 (long-term tree) suffers from an uncontrolled resource consumption vulnerability in the /nova/bin/cerm process. An authenticated remote attacker can cause a Denial of Service due to overloading the systems CPU.

Severity
Medium 6.5
Published
21 Jul 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
6.44.6
Sources
NVD

Affected software

SoftwareAffected versions
MikroTik RouterOSServers and applications · cpe:o:mikrotik:routeros
  • Every version before 6.44.6

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-20221
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-20221