CVEvulnerability

CVE-2018-7843

7.5 HIGH Published 2019-05-22 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-05-22
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-125

Description

A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause denial of service when reading memory blocks with an invalid data size or with an invalid data offset in the controller over Modbus.

Affected configurations

• schneider-electric modicon m580 firmware • schneider-electric modicon m340 firmware • schneider-electric modicon quantum firmware • schneider-electric modicon premium firmware

Related

Weakness · CWE (1)

  • CWE-125 Out-of-bounds Read weakness

References