CVE-2022-30938

HIGH
7.5
CVSS Score
Published: July 12, 2022 at 10:06 AM UTC
Updated: June 17, 2026 at 04:44 AM UTC
6 products affected across 1 vendorEN100 Ethernet Module Modbus TCP FirmwareEN100 Ethernet Module Iec 61850 FirmwareEN100 Ethernet Module Profinet Io Firmware

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Severity
HIGH7.5
Exploit prediction
EPSS 1%

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 < V4.40), 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 manupulating a specific argument. This could allow an attacker to crash the affected application leading to a denial of service condition

Affected

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

All versions
siemens-en100-ethernet-module (same device)
All versions
siemens-en100-ethernet-module (same device)
Affected range stops below 4.40, so it looks safe — our inference, not a vendor statement
siemens-en100-ethernet-module (same device)
All versions
siemens-en100-ethernet-module (same device)
All versions
siemens-en100-ethernet-module (same device)
All versions

Remediation

No guide yet

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

References (1)

x_refsource_MISCMitigationPatchVendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-865333.pdf

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-119CWE-787

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