What’s Vulnerable › Vulnerabilities

CVE-2016-8370

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-02-13 · updated 2026-06-17
• Weakness: CWE-327

Description

An issue was discovered in Mitsubishi Electric Automation MELSEC-Q series Ethernet interface modules QJ71E71-100, all versions, QJ71E71-B5, all versions, and QJ71E71-B2, all versions. Weakly encrypted passwords are transmitted to a MELSEC-Q PLC.

Affected products

• Mitsubishielectric Qj71E71-100 Firmware: all versions
• Mitsubishielectric Qj71E71-B2 Firmware: all versions
• Mitsubishielectric Qj71E71-B5 Firmware: all versions

References

• http://www.securityfocus.com/bid/94632
• https://ics-cert.us-cert.gov/advisories/ICSA-16-336-03
• http://www.securityfocus.com/bid/94632
• https://ics-cert.us-cert.gov/advisories/ICSA-16-336-03

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