Buffer overflow in Schneider Electric Opc Ua Modicon Communication Module
CVE-2022-34759
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)
Vulnerability class: Buffer Overflow
EPSS: 0.007 (50.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Schneider Electric Opc Ua Modicon Communication Module — versions BMENUA0100
- Schneider Electric X80 Advanced Rtu Communication Module — versions BMENOR2200H V1.0
- Schneider-electric Opc_ua_module_for_m580
- Schneider-electric Opc_ua_module_for_m580_firmware
- Schneider-electric X80_advanced_rtu_module
- Schneider-electric X80_advanced_rtu_module_firmware — versions 1.0
Weakness classification (CWE)
References
- cybersecurity@se.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2022-34759?
- CVE-2022-34759 is a high-severity vulnerability in Schneider Electric Opc Ua Modicon Communication Module, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-07-13.
- How severe is CVE-2022-34759?
- High severity. CVSS v3 base score is 7.5 out of 10.