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CVE-2021-20675

MEDIUM
6.5
CVSS Score
Published: March 18, 2021 at 12:56 AM UTC
Updated: June 17, 2026 at 03:34 AM UTC
10 products affected across 1 vendorDl8-b FirmwareDl8-d FirmwareDl8-a Firmware

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Severity
MEDIUM6.5
Exploit prediction
EPSS 1%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Dl8-a Firmware· M System
95%
v < 3.0.81
Affected range stops below 3.0.81, so it looks safe — our inference, not a vendor statement
m-system-dl8-a (same device)
Dl8-b Firmware· M System
95%
v < 3.0.77
Affected range stops below 3.0.77, so it looks safe — our inference, not a vendor statement
m-system-dl8-b (same device)
Dl8-c Firmware· M System
95%
v < 3.0.99
Affected range stops below 3.0.99, so it looks safe — our inference, not a vendor statement
m-system-dl8-c (same device)
Dl8-d Firmware· M System
95%
v < 3.0.91
Affected range stops below 3.0.91, so it looks safe — our inference, not a vendor statement
m-system-dl8-d (same device)
Dl8-e Firmware· M System
95%
v < 3.0.12
Affected range stops below 3.0.12, so it looks safe — our inference, not a vendor statement
m-system-dl8-e (same device)
DL8-A· M System
60%
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
DL8-B· M System
60%
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
DL8-C· M System
60%
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
DL8-D· M System
60%
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
DL8-E· M System
60%
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

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_MISCThird Party Advisory
Source: [email protected]
https://jvn.jp/en/jp/JVN47497535/index.html
x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.m-system.co.jp/download_w/dl_dl8updaterE.html

CVSS

6.5MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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