NULL pointer dereference in Schneider Electric OPC UA Modicon Communication Module
Priority LOW 35CWE-476Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-476.
Summary
A CWE-476: NULL Pointer Dereference vulnerability exists that could cause a denial of service of the webserver when parsing JSON content type. Affected Products: X80 advanced RTU Communication Module (BMENOR2200H) (V2.01 and later), OPC UA Modicon Communication Module (BMENUA0100) (V1.10 and prior)
Why it matters now
EPSS 0.00893 59th percentileScored 2026-11-07
Fix Fixed OPC UA Modicon Communication Module (Schneider Electric): V1.10
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Schneider Electric | OPC UA Modicon Communication Module | BMENUA0100 to before V1.10 | V1.10 | Patch available | CNA |
| Schneider Electric | X80 advanced RTU Communication Module | V2.01 and later | — | No fix listed | CNA |
- OPC UA Modicon Communication Module VendorSchneider Electric Affected BMENUA0100 to before V1.10 Fixed in V1.10 Patch available CNA
- X80 advanced RTU Communication Module VendorSchneider Electric Affected V2.01 and later Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:schneider-electric:opc_ua_module_for_m580_firmware:*:*:*:*:*:*:*:* | up to 1.10 | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:opc_ua_module_for_m580:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:x80_advanced_rtu_module_firmware:*:*:*:*:*:*:*:* | 2.01 | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:x80_advanced_rtu_module:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
- cpe:2.3:o:schneider-electric:opc_ua_module_for_m580_firmware:*:*:*:*:*:*:*:* Versions up to 1.10 Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:opc_ua_module_for_m580:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:x80_advanced_rtu_module_firmware:*:*:*:*:*:*:*:* Versions 2.01 Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:x80_advanced_rtu_module:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
Remediation
- Fix · CNA OPC UA Modicon Communication Module (Schneider Electric) Fixed in V1.10
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Schneider Electric OPC UA Modicon Communication Module V1.10
7 records Highest priority Priority LOW 7 LOW
Other records, highest priority first
- TI-2022-15572 Memory corruption in Schneider Electric OPC UA Modicon Communication ModulePriority LOW 34
- TI-2022-15570 Path traversal in Schneider Electric OPC UA Modicon Communication ModulePriority LOW 34
- TI-2022-15568 Infinite loop in Schneider Electric OPC UA Modicon Communication ModulePriority LOW 34
- Release ·
Schneider Electric X80 advanced RTU Communication Module BMENOR2200H*
4 records Highest priority Priority LOW 4 LOW
Other records, highest priority first
- TI-2022-15570 Path traversal in Schneider Electric OPC UA Modicon Communication ModulePriority LOW 34
- TI-2022-15571 Insufficient verification of data authenticity in Schneider Electric OPC UA Modicon…Priority LOW 33
- TI-2022-15573 Exposure of resource to wrong sphere in Schneider Electric OPC UA Modicon Communication…Priority LOW 26
Timeline
- 2026-10-02 Threatist record created from CVE-2022-34761
- 2026-10-03 Alias added: GHSA-m9mx-49mx-whcc
More Schneider Electric Opc Ua Module For M580 Firmware vulnerabilities
- TI-2022-15572 Memory corruption in Schneider Electric OPC UA Modicon Communication Module CVSS 3.1HIGH 7.5
- TI-2022-15570 Path traversal in Schneider Electric OPC UA Modicon Communication Module CVSS 3.1HIGH 7.5
- TI-2022-15568 Infinite loop in Schneider Electric OPC UA Modicon Communication Module CVSS 3.1HIGH 7.5
- TI-2022-15567 Out-of-bounds write in Schneider Electric OPC UA Modicon Communication Module CVSS 3.1HIGH 7.5
- TI-2022-15571 Insufficient verification of data authenticity in Schneider Electric OPC UA Modicon… CVSS 3.1HIGH 7.5
- TI-2022-15573 Exposure of resource to wrong sphere in Schneider Electric OPC UA Modicon Communication… CVSS 3.1MEDIUM 5.5
Sources
- CVE-2022-34761 · CVE Program
- CVE-2022-34761 · NVD
- FIRST EPSS
- GHSA-m9mx-49mx-whcc · GitHub Advisory Database · CC BY 4.0
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