CVE-2017-6034 - CVE House
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Status published Unknown CVE-2017-6034

Schneider Electric Modicon Modbus Protocol Authentication Bypass by Capture-replay

Vulnerability 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.

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

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Eran Goldstein of CRITIFENCE reported the identified vulnerabilities.

References

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Affected Vendor

Schneider Electric

View all reports →

Affected Software

Modicon Modbus Protocol
Vulnerable Versions:
all versions

Timeline

Official Publish: June 30th, 2017
Last Modified: June 4th, 2026
Added to House: July 20th, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

CWE-294

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.