VulnerabilityModified
CVE-2020-20220
Mikrotik RouterOs prior to stable 6.47 suffers from a memory corruption vulnerability in the /nova/bin/bfd process.
MEDIUM 6.5EPSS 2.74%
Does this matter?
Lower severity and a low EPSS score (2.74%). Track it; it rarely justifies an emergency change on its own.
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).
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.74% probability · 86th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- mikrotik/routeros
- Source
- cve@mitre.org
EPSS 2.7% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://packetstormsecurity.com/files/162533/MikroTik-RouterOS-Memory-Corruption.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2021/May/23Exploit, Mailing List, Third Party Advisory
- https://mikrotik.com/Product
- http://packetstormsecurity.com/files/162533/MikroTik-RouterOS-Memory-Corruption.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2021/May/23Exploit, Mailing List, Third Party Advisory
- https://mikrotik.com/Product
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.