PT-2021-10439 · Mikrotik · Mikrotik Routeros

Qian Chen · Published 2021-07-07 · Updated 2021-07-08 · CVE-2020-20211

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions: Mikrotik RouterOs version 6.44.5

Description: The issue is related to an assertion failure vulnerability in the /nova/bin/console process. An authenticated remote attacker can cause a Denial of Service due to an assertion failure via a crafted packet.

Recommendations: For Mikrotik RouterOs version 6.44.5, consider restricting access to the /nova/bin/console process to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Assertion Failure

Weakness Enumeration

CWE-617

Related Identifiers

CVE-2020-20211

Affected Products

Mikrotik Routeros

References · 6

• 🔥 http://seclists.org/fulldisclosure/2021/May/0 · Exploit
• https://mikrotik.com · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-20211 · Security Note
• https://osv.dev/vulnerability/CVE-2020-20211 · Vendor Advisory
• https://t.me/cvenotify/17245 · Telegram Post
• https://t.me/cibsecurity/25971 · Telegram Post