What is CVE-2020-20021?

CVE-2020-20021 is a high-severity vulnerability in Mikrotik Routeros, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2023-07-12.

How severe is CVE-2020-20021?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Mikrotik Routeros

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.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.010 (59.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Mikrotik Routeros
N/a — versions n/a

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

af854a3a-2127-422b-91ae-364da2661108 (Product)
af854a3a-2127-422b-91ae-364da2661108 (Not Applicable)
cve@mitre.org (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2020-20021?: CVE-2020-20021 is a high-severity vulnerability in Mikrotik Routeros, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2023-07-12.
How severe is CVE-2020-20021?: High severity. CVSS v3 base score is 7.5 out of 10.