CVE-2018-5459

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.95% Top 25%
Third-Party Advisory us-cert.gov
Affected: n/a WAGO PFC200 Series
Published at:
Updated at:

References

Link Tags
https://ics-cert.us-cert.gov/advisories/ICSA-18-044-01 third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2018-5459?
CVE-2018-5459 has been scored as a critical severity vulnerability.
How to fix CVE-2018-5459?
To fix CVE-2018-5459, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-5459 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-5459 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-5459?
CVE-2018-5459 affects n/a WAGO PFC200 Series.
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