CVE-2018-5459 — CRITICAL (9.8)

Q: How severe is CVE-2018-5459?

CVE-2018-5459 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2018-5459?

Check the references section above for vendor advisories and patch information. Affected products include: Wago Pfc200 Firmware, Wago 750-8202, Wago 750-8202\/025-000, Wago 750-8202\/025-001, Wago 750-8202\/025-002.

Vulnerability 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 Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Wago	Pfc200 Firmware	< 02.07.07\(10\)
Wago	750-8202	-
Wago	750-8202\/025-000	-
Wago	750-8202\/025-001	-
Wago	750-8202\/025-002	-
Wago	750-8202\/040-001	-
Wago	750-8203	-
Wago	750-8203\/025-000	-
Wago	750-8204	-
Wago	750-8204\/025-000	-
Wago	750-8206	-
Wago	750-8206\/025-000	-
Wago	750-8206\/025-001	-
Wago	750-8207	-
Wago	750-8207\/025-000	-
Wago	750-8207\/025-001	-
Wago	750-8208	-
Wago	750-8208\/025-000	-
Wago	Pfc200	-

Related Weaknesses (CWE)

CWE-287

References

https://ics-cert.us-cert.gov/advisories/ICSA-18-044-01Third Party AdvisoryUS Government Resource
https://ics-cert.us-cert.gov/advisories/ICSA-18-044-01Third Party AdvisoryUS Government Resource

FAQ

What is CVE-2018-5459?

CVE-2018-5459 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 Co...

How severe is CVE-2018-5459?

CVE-2018-5459 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2018-5459?

Check the references section above for vendor advisories and patch information. Affected products include: Wago Pfc200 Firmware, Wago 750-8202, Wago 750-8202\/025-000, Wago 750-8202\/025-001, Wago 750-8202\/025-002.