PT-2020-6923 · Mikrotik · Mikrotik Routeros

Published 2020-03-18 · Updated 2023-07-20 · CVE-2020-20021

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions MikroTik Router versions 6.46.3 and earlier

Description The issue allows an attacker to cause a denial of service via misconfiguration in the SSH daemon, potentially leading to uncontrolled resource consumption. This can be exploited by a remote attacker to disrupt service.

Recommendations For versions 6.46.3 and earlier, consider disabling the SSH daemon as a temporary workaround until a patch is available. Restrict access to the SSH daemon to minimize the risk of exploitation.

Exploit

Fix

DoS

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

BDU:2023-07215

CVE-2020-20021

Affected Products

Mikrotik Routeros

References · 8

• 🔥 https://exploit-db.com/exploits/48228 · Exploit
• https://osv.dev/vulnerability/CVE-2020-20021 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-20021 · Security Note
• https://bdu.fstec.ru/vul/2023-07215 · Security Note
• http://router.com · Note
• https://t.me/cibsecurity/66540 · Telegram Post
• https://t.me/cvenotify/54142 · Telegram Post
• http://mikrotik.com · Note