CVE-2021-20675

Name: CVE-2021-20675
Creator: NVD / NIST
Published: 2021-03-18T01:15:12.327+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.33%

Last modified Jun 17, 2026

CVE-2021-20675 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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 cause a denial of service (DoS) condition via unspecified vectors.. EPSS estimates a 1.33% chance of exploitation in the next 30 days.

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 cause a denial of service (DoS) condition via unspecified vectors.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

1.33%

67.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
M-System	Dl8-A Firmware	< 3.0.81
M-System	Dl8-B Firmware	< 3.0.77
M-System	Dl8-C Firmware	< 3.0.99
M-System	Dl8-D Firmware	< 3.0.91
M-System	Dl8-E Firmware	< 3.0.12

References

https://jvn.jp/en/jp/JVN47497535/index.htmlThird Party Advisory
https://www.m-system.co.jp/download_w/dl_dl8updaterE.htmlVendor Advisory
https://jvn.jp/en/jp/JVN47497535/index.htmlThird Party Advisory
https://www.m-system.co.jp/download_w/dl_dl8updaterE.htmlVendor Advisory

Timeline

Published: Mar 18, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-20675?

How severe is CVE-2021-20675?

CVE-2021-20675 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.33% probability of exploitation in the next 30 days.

How do I fix CVE-2021-20675?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-20675?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST