CVE-2022-30938

moderate-risk
Published 2022-07-12

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

Do I need to act?

~
1.8% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (5)

En100 Ethernet Module Dnp3 Ip Firmware
En100 Ethernet Module Iec 104 Firmware
En100 Ethernet Module Iec 61850 Firmware
En100 Ethernet Module Modbus Tcp Firmware
En100 Ethernet Module Profinet Io Firmware

Affected Vendors

Siemens

References (2)

Mitigation https://cert-portal.siemens.com/productcert/pdf/ssa-865333.pdf
Mitigation https://cert-portal.siemens.com/productcert/pdf/ssa-865333.pdf
43
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 5/34 · Minimal
Exposure 12/34 · Low