What is the CVSS score of CVE-2022-34759?

CVE-2022-34759 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.7%.

Is there a patch available for CVE-2022-34759?

Yes, a patch is available for CVE-2022-34759. Update the affected software to the latest version immediately.

Opc Ua Module For M580 Firmware CVE-2022-34759

HIGH

Out-of-bounds Write (CWE-787)

2022-07-13 cybersecurity@se.com

Denial Of Service Memory Corruption Buffer Overflow Opc Ua Module For M580 Firmware X80 Advanced Rtu Module Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Jul 13, 2022 - 21:15 nvd

HIGH 7.5

DescriptionNVD

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)

AnalysisAI

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. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. 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) Affected products include: Schneider-Electric Opc Ua Module For M580 Firmware, Schneider-Electric X80 Advanced Rtu Module Firmware.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).