PT-2021-10444 · Mikrotik · Mikrotik Routeros

Qian Chen · Published 2021-07-07 · Updated 2021-07-08 · CVE-2020-20216

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 6.44.6

Description: The issue is related to a memory corruption vulnerability in the /nova/bin/graphing process. An authenticated remote attacker can cause a Denial of Service due to a NULL pointer dereference.

Recommendations: For Mikrotik RouterOs version 6.44.6, update to a newer version to mitigate the risk. As a temporary workaround, consider restricting access to the /nova/bin/graphing process until a patch is available.

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2020-20216

Affected Products

Mikrotik Routeros

References · 5

• https://mikrotik.com · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-20216 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-20216 · Security Note
• https://t.me/cvenotify/17240 · Telegram Post
• http://seclists.org/fulldisclosure/2021/May/10 · Note