VULNERABILITY INTELLIGENCE

CVE-2019-6855

CVSS score7.3 HIGH
EPSS probability0.95%
CISA KEVNot currently listed
Published2020-01-06
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Description

Incorrect Authorization vulnerability exists in EcoStruxure Control Expert (all versions prior to 14.1 Hot Fix), Unity Pro (all versions), Modicon M340 (all versions prior to V3.20) , and Modicon M580 (all versions prior to V3.10), which could cause a bypass of the authentication process between EcoStruxure Control Expert and the M340 and M580 controllers.

Weakness classification

  • CWE-863: Incorrect Authorization

Primary references