CVE•Published 2017-06-30•Modified 2026-06-04•1 article on news•5 live references•NVD data
CVE-2017-6034Schneider-electric · Modbus_firmware
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
27
Exploit Prediction Scoring System · top 73% of all CVEs
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.
Timeline
Published 2017-06-30
Modified 2026-06-04
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2017-6034Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"Modbus Firmware"Hosts Shodan identified as running Modbus Firmware.
More intel sources (5)
Shodan report
vuln:CVE-2017-6034Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2017-6034Censys host search filtered to this CVE id.
grep.app
CVE-2017-6034Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2017-6034GitHub code search for direct mentions.
Google dork
"CVE-2017-6034" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.