CVE-2019-6821

MEDIUM

Modicon M580 <V2.30 - Use After Free

Title source: llm
STIX 2.1

Description

CWE-330: Use of Insufficiently Random Values vulnerability, which could cause the hijacking of the TCP connection when using Ethernet communication in Modicon M580 firmware versions prior to V2.30, and all firmware versions of Modicon M340, Modicon Premium, Modicon Quantum.

References (3)

Core 3
Core References
Third Party Advisory, US Government Resource x_refsource_misc
https://ics-cert.us-cert.gov/advisories/ICSA-19-136-01
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/108366

Scores

CVSS v3 6.5
EPSS 0.0022
EPSS Percentile 45.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Details

CWE
CWE-330
Status published
Products (4)
schneider-electric/modicon_m340_firmware
schneider-electric/modicon_m580_firmware < 2.30
schneider-electric/modicon_premium_firmware
schneider-electric/modicon_quantum_firmware
Published May 22, 2019
Tracked Since Feb 18, 2026