Medium severity6.5NVD Advisory· Published May 18, 2021· Updated Jun 17, 2026

CVE-2020-20220

Description

Mikrotik RouterOs prior to stable 6.47 suffers from a memory corruption vulnerability in the /nova/bin/bfd process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).

AI Insight

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

Affected products

Mikrotik/Routeros2 versions
cpe:2.3:o:mikrotik:routeros:*:*:*:*:-:*:*:*+ 1 more
- cpe:2.3:o:mikrotik:routeros:*:*:*:*:-:*:*:*range: <6.47
- (no CPE)range: <6.47
Mikrotik/RouterOsdescription

Patches

Vulnerability mechanics

References

packetstormsecurity.com/files/162533/MikroTik-RouterOS-Memory-Corruption.htmlnvdExploitThird Party AdvisoryVDB Entry
seclists.org/fulldisclosure/2021/May/23nvdExploitMailing ListThird Party Advisory
mikrotik.comnvdProduct

News mentions

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cvss	0.423
epss	0.002
exploit	0.000
kev	0.000
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ransomware	0.000