How severe is CVE-2022-34764?

CVE-2022-34764 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-34764 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-34764?

CVE-2022-34764 primarily affects Schneider-electric Opc Ua Module For M580 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-34764?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-34764 published?

CVE-2022-34764 was published on 2022-07-13 and last updated on 2026-06-17.

CVE-2022-34764

CVE-2022-34764 is a medium-severity vulnerability in Schneider-electric Opc Ua Module For M580 Firmware with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Schneider-electric Opc Ua Module For M580 Firmware
Published: 2022-07-13
Last modified: 2026-06-17

Description

A CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could cause denial of service when parsing the URL. Affected Products: X80 advanced RTU Communication Module (BMENOR2200H) (V1.0), OPC UA Modicon Communication Module (BMENUA0100) (V1.10 and prior)

Frequently asked questions

What is CVE-2022-34764?: A CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could cause denial of service when parsing the URL. Affected Products: X80 advanced RTU Communication Module (BMENOR2200H) (V1.0), OPC UA Modicon Communication Module (BMENUA0100) (V1.10 and prior)
How severe is CVE-2022-34764?: CVE-2022-34764 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-34764 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-34764?: CVE-2022-34764 primarily affects Schneider-electric Opc Ua Module For M580 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-34764?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-34764 published?: CVE-2022-34764 was published on 2022-07-13 and last updated on 2026-06-17.

References

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

Affected products (2)

cpe:2.3:o:schneider-electric:opc_ua_module_for_m580_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:x80_advanced_rtu_module_firmware:1.0:*:*:*:*:*:*:*

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