8.7

CVE-2020-28400: siemens development/evaluation kits for profinet io: dk standard ethernet controller

CVSS: 8.7v4.0HighModified
Published 13-07-2021Last modified 14-04-2026

Vulnerability summary

CVE-2020-28400 is a high (CVSS 8.7) vulnerability in siemens development/evaluation kits for profinet io: dk standard ethernet controller. EPSS estimates a 1.86% chance of exploitation in the next 30 days, higher than 78.8% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.7/10
010
High · v4.0 (CVE.org)
EPSS score
1.86%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-07-2021
    PublishedVulnerability first disclosed.
  2. 14-04-2026
    Last modifiedVulnerability information updated.

Description

Affected devices contain a vulnerability that allows an unauthenticated attacker to trigger a denial of service condition. The vulnerability can be triggered if a large amount of DCP reset packets are sent to the device.

CVSS metrics

5 scores · 2 sources · 3 versions

EPSS trend

Probability

1.86%

Chance of exploitation in the next 30 days

Percentile

79%

Versus all other CVEs

30-day change

0.00 pp

From 1.86% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.86%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Siemens200 products
  • development/evaluation kits for profinet io: dk standard ethernet controllerAll versions (No fix recorded)
  • development/evaluation kits for profinet io: ek-ertec 200All versions (No fix recorded)
  • development/evaluation kits for profinet io: ek-ertec 200p< V4.7
  • ek-ertec_200p_evaluation_kit_firmware< 4.7
  • ruggedcom_rm1224_firmware< 6.4

1 vendor · 200 products · Showing 200 of 310. Use Open JSON for the complete list.

References

3 links