An authentication bypass by capture-replay issue was discovered in Schneider Electric Modicon Modbus Protocol. Sensitive information is transmitted in cleartext in the Modicon Modbus protocol, which may allow an attacker to replay the following commands: run, stop, upload, and download.
History

Thu, 04 Jun 2026 21:30:00 +0000

Type Values Removed Values Added
Description An Authentication Bypass by Capture-Replay issue was discovered in Schneider Electric Modicon Modbus Protocol. Sensitive information is transmitted in cleartext in the Modicon Modbus protocol, which may allow an attacker to replay the following commands: run, stop, upload, and download. An authentication bypass by capture-replay issue was discovered in Schneider Electric Modicon Modbus Protocol. Sensitive information is transmitted in cleartext in the Modicon Modbus protocol, which may allow an attacker to replay the following commands: run, stop, upload, and download.
Title Schneider Electric Modicon Modbus Protocol Authentication Bypass by Capture-replay
References

Thu, 28 May 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: icscert

Published: 2017-06-30T02:35:00.000Z

Updated: 2026-06-04T21:07:21.157Z

Reserved: 2017-02-16T00:00:00.000Z

Link: CVE-2017-6034

cve-icon Vulnrichment

Updated: 2024-08-05T15:18:49.398Z

cve-icon NVD

Status : Modified

Published: 2017-06-30T03:29:00.453

Modified: 2026-06-17T01:21:40.227

Link: CVE-2017-6034

cve-icon Redhat

No data.