Vulnerability Monitor

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CVE-2019-6847

A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA and 140CRA modules (all firmware versions), which could cause a Denial of Service attack on the FTP service when upgrading the firmware with a version incompatible with the application in the controller using FTP protocol.

Published

2019-10-29T19:15:22.267

Last Modified

2024-11-21T04:47:16.320

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.9 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: SINGLE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

8.0

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-755
  • Type: Primary
    CWE-755
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System schneider-electric modicon_m580_firmware * Yes
Hardware schneider-electric modicon_m580 - No
Operating System schneider-electric modicon_m340_firmware * Yes
Hardware schneider-electric modicon_m340 - No
Operating System schneider-electric modicon_bmxcra_firmware * Yes
Hardware schneider-electric modicon_bmxcra - No
Operating System schneider-electric modicon_140cra_firmware * Yes
Hardware schneider-electric modicon_140cra - No
References