High severity · published Jul 12, 2023
CVE-2020-20021
An issue discovered in MikroTik Router v6.46.3 and earlier allows attacker to cause denial of service via misconfiguration in the SSH daemon
7.5
CVSS
1%
EPSS
No
On KEV
Description
An issue discovered in MikroTik Router v6.46.3 and earlier allows attacker to cause denial of service via misconfiguration in the SSH daemon.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RO
Routeros · Mikrotik
through 6.46.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-20021
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-20021
Exploit
https://www.exploit-db.com/exploits/48228
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