CVE-2019-18858

Public Exploit

Description

CODESYS 3 web server before 3.5.15.20, as distributed with CODESYS Control runtime systems, has a Buffer Overflow.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.65%
Vendor Advisory codesys.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://customers.codesys.com/fileadmin/data/customers/security/2019/Advisory2019-10_CDS-68341.pdf vendor advisory
https://www.tenable.com/security/research/tra-2019-48 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2019-18858?
CVE-2019-18858 has been scored as a critical severity vulnerability.
How to fix CVE-2019-18858?
To fix CVE-2019-18858, 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-2019-18858 being actively exploited in the wild?
It is possible that CVE-2019-18858 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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