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CVE-2021-20676

4.3 · MEDIUM
Published Mar 18, 2021 m-system CWE-863 EPSS 0.77% (53th pctl)

Overview

CVE-2021-20676 is a medium-severity vulnerability affecting m-system dl8-a_firmware. It was published on March 18, 2021 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical Description

M-System DL8 series (type A (DL8-A) versions prior to Ver3.0, type B (DL8-B) versions prior to Ver3.0, type C (DL8-C) versions prior to Ver3.0, type D (DL8-D) versions prior to Ver3.0, and type E (DL8-E) versions prior to Ver3.0) allows remote authenticated attackers to bypass access restriction and conduct prohibited operations via unspecified vectors.

Remediation

Check the references section for vendor advisories and patches from m-system. Update dl8-a_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
m-system dl8-a_firmware >= 0, < 3.0.81 Affected
m-system dl8-b_firmware >= 0, < 3.0.77 Affected
m-system dl8-c_firmware >= 0, < 3.0.99 Affected
m-system dl8-d_firmware >= 0, < 3.0.91 Affected
m-system dl8-e_firmware >= 0, < 3.0.12 Affected

Frequently Asked Questions

What is CVE-2021-20676?

CVE-2021-20676 is a medium-severity vulnerability affecting m-system dl8-a_firmware. It was published on March 18, 2021 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2021-20676?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-20676?

Check the references section for vendor advisories and patches from m-system. Update dl8-a_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-20676?

CyberStrike's AI-powered security agents can automatically detect CVE-2021-20676 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.