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CVE-2022-34763

HIGHCVSS 7.5/10EPSS 0.25%

Last modified

CVE-2022-34763 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A CWE-345: Insufficient Verification of Data Authenticity vulnerability exists that could cause loading of unauthorized firmware images due to improper verification of the firmware signature. Affected Products: X80 advanced RTU Communication Module (BMENOR2200H) (V2.01 and later), OPC UA Modicon Communication Module (BMENUA0100) (V1.10 and prior). EPSS estimates a 0.25% chance of exploitation in the next 30 days.

Description

A CWE-345: Insufficient Verification of Data Authenticity vulnerability exists that could cause loading of unauthorized firmware images due to improper verification of the firmware signature. Affected Products: X80 advanced RTU Communication Module (BMENOR2200H) (V2.01 and later), OPC UA Modicon Communication Module (BMENUA0100) (V1.10 and prior)

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
0.25%

16.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Schneider-ElectricOpc Ua Module For M580 Firmware<= 1.10
Schneider-ElectricX80 Advanced Rtu Module Firmware>= 2.01

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-34763?
A CWE-345: Insufficient Verification of Data Authenticity vulnerability exists that could cause loading of unauthorized firmware images due to improper verification of the firmware signature. Affected Products: X80 advanced RTU Communication Module (BMENOR2200H) (V2.01 and later), OPC UA Modicon Communication Module (BMENUA0100) (V1.10 and prior)
How severe is CVE-2022-34763?
CVE-2022-34763 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.
How do I fix CVE-2022-34763?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-34763?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST