CVE-2022-28328

Name: CVE-2022-28328
Creator: NVD / NIST
Published: 2022-04-12T09:15:15.197+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.88%

Last modified Jun 17, 2026

CVE-2022-28328 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A vulnerability has been identified in SCALANCE W1788-1 M12 (All versions < V3.0.0), SCALANCE W1788-2 EEC M12 (All versions < V3.0.0), SCALANCE W1788-2 M12 (All versions < V3.0.0), SCALANCE W1788-2IA M12 (All versions < V3.0.0). Affected devices do not properly handle malformed Multicast LLC frames. EPSS estimates a 0.88% chance of exploitation in the next 30 days.

Description

A vulnerability has been identified in SCALANCE W1788-1 M12 (All versions < V3.0.0), SCALANCE W1788-2 EEC M12 (All versions < V3.0.0), SCALANCE W1788-2 M12 (All versions < V3.0.0), SCALANCE W1788-2IA M12 (All versions < V3.0.0). Affected devices do not properly handle malformed Multicast LLC frames. This could allow an attacker to trigger a denial of service condition.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.88%

54.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Siemens	Scalance W1788-2ia M12 Firmware	< 3.0.0
Siemens	Scalance W1788-2 M12 Firmware	< 3.0.0
Siemens	Scalance W1788-2 Eec M12 Firmware	< 3.0.0
Siemens	Scalance W1788-1 M12 Firmware	< 3.0.0

References

https://cert-portal.siemens.com/productcert/pdf/ssa-392912.pdfPatch, Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-392912.pdfPatch, Vendor Advisory

Timeline

Published: Apr 12, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-28328?

How severe is CVE-2022-28328?

CVE-2022-28328 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.88% probability of exploitation in the next 30 days.

How do I fix CVE-2022-28328?

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-2022-28328?

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

Scan your code now

Source: NVD / NIST