CVE-2020-20220 - Vulnerability Details - OpenCVE

Description

Mikrotik RouterOs prior to stable 6.47 suffers from a memory corruption vulnerability in the /nova/bin/bfd process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).

Published: 2021-05-18

Score: 6.5 Medium

EPSS: 2.7% Low

KEV: No

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:o:mikrotik:routeros:*:*:*:*:-:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2020-13007	Mikrotik RouterOs prior to stable 6.47 suffers from a memory corruption vulnerability in the /nova/bin/bfd process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.02737.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://packetstormsecurity.com/files/162533/MikroTik-RouterOS-Memory-Corruption.html
http://seclists.org/fulldisclosure/2021/May/23
https://mikrotik.com/

History

No history.

Subscriptions

Mikrotik Routeros

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-05-18T19:09:29.000Z

Updated: 2024-08-04T14:15:28.812Z

Reserved: 2020-08-13T00:00:00.000Z

Link: CVE-2020-20220

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-05-18T20:15:07.403

Modified: 2026-06-17T03:02:52.963

Link: CVE-2020-20220

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer

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