CVE-2022-30937
Last modified
CVE-2022-30937 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A vulnerability has been identified in EN100 Ethernet module DNP3 IP variant (All versions), EN100 Ethernet module IEC 104 variant (All versions), EN100 Ethernet module IEC 61850 variant (All versions < V4.37), EN100 Ethernet module Modbus TCP variant (All versions), EN100 Ethernet module PROFINET IO variant (All versions). Affected applications contains a memory corruption vulnerability while parsing specially crafted HTTP packets to /txtrace endpoint. EPSS estimates a 1.17% chance of exploitation in the next 30 days.
Description
A vulnerability has been identified in EN100 Ethernet module DNP3 IP variant (All versions), EN100 Ethernet module IEC 104 variant (All versions), EN100 Ethernet module IEC 61850 variant (All versions < V4.37), EN100 Ethernet module Modbus TCP variant (All versions), EN100 Ethernet module PROFINET IO variant (All versions). Affected applications contains a memory corruption vulnerability while parsing specially crafted HTTP packets to /txtrace endpoint. This could allow an attacker to crash the affected application leading to a denial of service condition.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Siemens | En100 Ethernet Module Dnp3 Firmware | All versions |
| Siemens | En100 Ethernet Module Iec 104 Firmware | All versions |
| Siemens | En100 Ethernet Module Iec 61850 Firmware | < 4.37 |
| Siemens | En100 Ethernet Module Modbus Tcp Firmware | All versions |
| Siemens | En100 Ethernet Module Profinet Io Firmware | All versions |
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-693555.pdfPatch, Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-693555.pdfPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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