Medium severity6.5NVD Advisory· Published Jul 21, 2021· Updated Jun 17, 2026

CVE-2020-20221

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Mikrotik/RouterOsdescription
Mikrotik/Routerosllm-fuzzy2 versions
<6.44.6+ 1 more
- (no CPE)range: <6.44.6
- cpe:2.3:o:mikrotik:routeros:*:*:*:*:ltr:*:*:*range: <6.44.6

Patches

Vulnerability mechanics

References

seclists.org/fulldisclosure/2021/May/1nvdExploitMailing ListThird Party Advisory
cwe.mitre.org/data/definitions/400.htmlnvdThird Party Advisory
seclists.org/fulldisclosure/2020/May/30nvdMailing ListThird Party Advisory

News mentions

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cvss	0.423
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000