Vulnerability Report

CVE-2018-5459

Title: Wago 750-8202\/040-001 Auth Bypass

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2018-5459.

CWE Category CWE-287
Published Date Feb 13, 2018
Modified Date Jun 17, 2026
Exploit Status Not Found
Score 9.8 CVSS v3.0
Exploit Probability (EPSS)
2.70%

Vulnerability Summary

CVE-2018-5459: 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.

Impacted Vendors

W
wago 18

Reference Links

https://ics-cert.us-cert.gov/advisories/ICSA-18-044-01 https://ics-cert.us-cert.gov/advisories/ICSA-18-044-01
CVSS v3.0
Source Entity [email protected]
Severity CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity HIGH
7.5
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2018-5459 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.