CVE-2018-7838 - CVE House
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Status published High CVE-2018-7838

A CWE-119 Buffer Errors vulnerability exists in Modicon M580 CPU...

Vulnerability Description

A CWE-119 Buffer Errors vulnerability exists in Modicon M580 CPU - BMEP582040, all versions before V2.90, and Modicon Ethernet Module BMENOC0301, all versions before V2.16, which could cause denial of service on the FTP service of the controller or the Ethernet BMENOC module when it receives a FTP CWD command with a data length greater than 1020 bytes. A power cycle is then needed to reactivate the FTP service.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

Affected Vendor

Affected Software

Modicon M580 CPU - BMEP582040 all versions before V2.90 and Modicon Ethernet Module BMENOC0301 all versions before V2.16
Vulnerable Versions:
Modicon M580 CPU - BMEP582040 all versions before V2.90 and Modicon Ethernet Module BMENOC0301 all versions before V2.16

Timeline

Official Publish: July 15th, 2019
Last Modified: August 5th, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-119

MITRE ATT&CK TTPs

T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1203 Exploitation for Client Execution
Execution
T1055 Process Injection
Defense Evasion
T1105 Ingress Tool Transfer
Command and Control