CVE-2019-10977

7.5 highEPSS 3.5%

High (7.5) in mitsubishielectric qj71e71-100 firmware. EPSS 3.5% chance of exploitation in the next 30 days.

In Mitsubishi Electric MELSEC-Q series Ethernet module QJ71E71-100 serial number 20121 and prior, an attacker could send crafted TCP packets against the FTP service, forcing the target devices to enter an error mode and cause a denial-of-service condition.

Severity

CVSS 3.1

7.5 high

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

EPSS: 3.5% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)
CWEs: CWE-755, CWE-400
Published: 2019-05-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mitsubishielectric:qj71e71-100_firmware

References

http://www.securityfocus.com/bid/108419
https://ics-cert.us-cert.gov/advisories/ICSA-19-141-02
http://www.securityfocus.com/bid/108419
https://ics-cert.us-cert.gov/advisories/ICSA-19-141-02

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