PT-2021-10451 · Mikrotik · Routeros+1

Cq674350529 + 1 · Published 2021-07-07 · Updated 2021-07-08 · CVE-2020-20225

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 versions prior to 6.47

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

Recommendations: For versions prior to 6.47, update to version 6.47 or later to resolve the issue. As a temporary workaround, consider restricting access to the /nova/bin/user process to minimize the risk of exploitation.

Fix

DoS

Assertion Failure

Weakness Enumeration

CWE-617

Related Identifiers

CVE-2020-20225

Affected Products

Mikrotik Routeros

Routeros

References · 5

• https://osv.dev/vulnerability/CVE-2020-20225 · Vendor Advisory
• https://mikrotik.com · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-20225 · Security Note
• https://t.me/cvenotify/17244 · Telegram Post
• http://seclists.org/fulldisclosure/2021/May/12 · Note