CVE-2023-4418

Description

A remote unprivileged attacker can sent multiple packages to the LMS5xx to disrupt its availability through a TCP SYN-based denial-of-service (DDoS) attack. By exploiting this vulnerability, an attacker can flood the targeted LMS5xx with a high volume of TCP SYN requests, overwhelming its resources and causing it to become unresponsive or unavailable for legitimate users.

Remediation

Workaround:

  • Please make sure that you apply general security practices when operating the LMS5xx. The following General Security Practices and Operating Guidelines could mitigate the associated security risk. It is also recommended to apply the security practices listed in the LMS5xx hardening guide.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.11%
Vendor Advisory sick.com Vendor Advisory sick.com Vendor Advisory sick.com
Affected: SICK AG LMS5xx
Published at:
Updated at:

References

Link Tags
https://sick.com/psirt vendor advisory issue tracking
https://sick.com/.well-known/csaf/white/2023/sca-2023-0007.pdf vendor advisory
https://sick.com/.well-known/csaf/white/2023/sca-2023-0007.json vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-4418?
CVE-2023-4418 has been scored as a high severity vulnerability.
How to fix CVE-2023-4418?
As a workaround for remediating CVE-2023-4418: Please make sure that you apply general security practices when operating the LMS5xx. The following General Security Practices and Operating Guidelines could mitigate the associated security risk. It is also recommended to apply the security practices listed in the LMS5xx hardening guide.
Is CVE-2023-4418 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-4418 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-4418?
CVE-2023-4418 affects SICK AG LMS5xx.
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