Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2021-20675

22
FAUCET Score

CVE-2021-20675 describes a denial-of-service vulnerability affecting multiple versions of M-System DL8 series devices (DL8-A, DL8-B, DL8-C, DL8-D, and DL8-E prior to Ver3.0). This medium-severity vulnerability (CVSS 6.5) can be exploited remotely by an authenticated attacker with low complexity, leading to a complete loss of availability for the affected system. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.0.81CPE matchmatch criteria
cpe:2.3:o:m-system:dl8-a_firmware:*:*:*:*:*:*:*:*
< 3.0.77CPE matchmatch criteria
cpe:2.3:o:m-system:dl8-b_firmware:*:*:*:*:*:*:*:*
< 3.0.99CPE matchmatch criteria
cpe:2.3:o:m-system:dl8-c_firmware:*:*:*:*:*:*:*:*
< 3.0.91CPE matchmatch criteria
cpe:2.3:o:m-system:dl8-d_firmware:*:*:*:*:*:*:*:*
< 3.0.12CPE matchmatch criteria
cpe:2.3:o:m-system:dl8-e_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.33%
Probability of exploitation in next 30 days
EPSS Percentile
68.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0133 is in the 82nd percentile among its peer group of 21,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jvn.jp / en/jp/JVN47497535/index.html
Third Party Advisory
m-system.co.jp / download_w/dl_dl8updaterE.html
Vendor Advisory