PT-2021-10448 · Mikrotik · Routeros+1

Cq674350529 + 1 · Published 2021-05-18 · Updated 2021-05-21 · CVE-2020-20220

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 a memory corruption vulnerability in the /nova/bin/bfd process. An authenticated remote attacker can exploit this to cause a Denial of Service due to a NULL pointer dereference.

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/bfd process to minimize the risk of exploitation.

Exploit

Fix

DoS

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2020-20220

Affected Products

Mikrotik Routeros

Routeros

References · 5

• 🔥 http://packetstormsecurity.com/files/162533/MikroTik-RouterOS-Memory-Corruption.html · Exploit
• 🔥 http://seclists.org/fulldisclosure/2021/May/23 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-20220 · Security Note
• https://osv.dev/vulnerability/CVE-2020-20220 · Vendor Advisory
• https://mikrotik.com · Note