CVE-2018-5459 Information

Description

An Improper Authentication issue was discovered in WAGO PFC200 Series 3S CoDeSys Runtime versions 2.3.X and 2.4.X. An attacker can execute different unauthenticated remote operations because of the CoDeSys Runtime application which is available via network by default on Port 2455. An attacker could execute some unauthenticated commands such as reading writing or deleting arbitrary files or manipulate the PLC application during runtime by sending specially-crafted TCP packets to Port 2455.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://ics-cert.us-cert.gov/advisories/ICSA-18-044-01

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8