CVE-2023-1935: Emerson DL8000 Firmware

Critical severity, CVSS 9.4. EPSS: 0.7% chance of exploitation in the next 30 days.

ROC800-Series RTU devices are vulnerable to an authentication bypass, which could allow an attacker to gain unauthorized access to data or control of the device and cause a denial-of-service condition.

Affected products

  • Emerson DL8000 Firmware: any version
  • Emerson ROC809 Firmware: any version
  • Emerson ROC809L Firmware: any version
  • Emerson ROC827 Firmware: any version
  • Emerson ROC827L Firmware: any version

Published 2023-08-02. Last modified 2026-06-17.