High severity7.5NVD Advisory· Published Jun 14, 2022· Updated Jun 17, 2026
CVE-2022-30937
CVE-2022-30937
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.
Affected products
12- cpe:2.3:o:siemens:en100_ethernet_module_dnp3_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:en100_ethernet_module_iec_104_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:en100_ethernet_module_iec_61850_firmware:*:*:*:*:*:*:*:*Range: <4.37
- cpe:2.3:o:siemens:en100_ethernet_module_modbus_tcp_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:en100_ethernet_module_profinet_io_firmware:-:*:*:*:*:*:*:*
<V4.37+ 1 more
- (no CPE)range: <V4.37
- (no CPE)range: All versions < V4.37
(expand)+ 3 more
- (no CPE)
- (no CPE)range: All versions
- (no CPE)range: All versions
- (no CPE)range: All versions
- Range: All versions
Patches
Vulnerability mechanics
References
1- cert-portal.siemens.com/productcert/pdf/ssa-693555.pdfnvdPatchVendor Advisory
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