CVE-2022-34759

HIGH

OPC UA Modicon <1.10 & X80 RTU - DoS via HTTP Header Parsing

Title source: llm

Description

A CWE-787: Out-of-bounds Write vulnerability exists that could cause a denial of service of the webserver due to improper parsing of the HTTP Headers. Affected Products: X80 advanced RTU Communication Module (BMENOR2200H) (V1.0), OPC UA Modicon Communication Module (BMENUA0100) (V1.10 and prior)

References (1)

Core 1

Core References

Patch, Vendor Advisory x_refsource_misc

https://download.schneider-electric.com/files?p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2022-193-01_OPC_UA_X80_Advanced_RTU_Modicon_Communication_Modules+_Security_Notification.pdf

Scores

CVSS v3 7.5

EPSS 0.0059

EPSS Percentile 69.4%

Attack Vector NETWORK

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

Details

CWE

CWE-787

Status published

Products (2)

schneider-electric/opc_ua_module_for_m580_firmware < 1.10

schneider-electric/x80_advanced_rtu_module_firmware 1.0

Published Jul 13, 2022

Tracked Since Feb 18, 2026