Is CVE-2020-20266 actively exploited?

CVE-2020-20266 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2020-20266?

CVE-2020-20266 has a CVSS score of 6.5 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2020-20266?

Patch guidance is available from mikrotik security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2020-20266.

CVE-2020-20266 - remediation guidance & executive summary

Description

Mikrotik RouterOs before 6.47 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/dot1x process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-476 · NULL Pointer Dereference CWE-787 · Out-of-bounds Write

Metadata

Primary Vendor: MIKROTIK
Published: 5/19/2021
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2020-20266

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary