Home/CVE/Incorrect Authorization vulnerability exists in EcoStruxure Control Expert (all versions prior to 14.1 Hot Fix), Unity P
CVE

CVE-2019-6855

Incorrect Authorization vulnerability exists in EcoStruxure Control Expert (all versions prior to 14.1 Hot Fix), Unity P

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.

HIGH · CVSS 7.3 EPSS 0.00191
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-863Incorrect Authorization
CWE-863Incorrect Authorization
▤

Affected Products & Versions

24
schneider-electric ecostruxure control expert< 14.1
schneider-electric ecostruxure control expertall versions
schneider-electric unity proall versions
schneider-electric modicon m580 bmep584040 firmware< 3.10
schneider-electric modicon m580 bmeh584040 firmware< 3.10
schneider-electric modicon m580 bmep586040 firmware< 3.10
schneider-electric modicon m580 bmeh586040 firmware< 3.10
schneider-electric modicon m580 bmep581020 firmware< 3.10
▣

Scoring & Timeline

7.3
HIGH · CVSS v3.1 · cybersecurity@se.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD06 Jan 2020 · 11:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.se.com/ww/en/download/document/SEVD-2019-344-02/Vendor Advisory
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