CVE-2023-4418

Published Aug 24, 2023 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
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

Vendor 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.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-54281 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.
History
Type Values Removed Values Added
First Time appeared Sick lms5xx
CPEs cpe:2.3:h:sick_ag:lms5xx:*:*:*:*:*:*:*:* cpe:2.3:h:sick:lms5xx:*:*:*:*:*:*:*:*
Vendors & Products Sick Ag
Sick Ag lms5xx
Sick lms5xx
Type Values Removed Values Added
First Time appeared Sick Ag
Sick Ag lms5xx
CPEs cpe:2.3:h:sick_ag:lms5xx:*:*:*:*:*:*:*:*
Vendors & Products Sick Ag
Sick Ag lms5xx
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
SICK AG
Published
Updated
Jun 1, 2026, 12:13 PM
Reserved
Aug 18, 2023, 1:09 PM
Status
Modified
Published
Aug 24, 2023, 7:15 PM
Modified
Jun 17, 2026, 6:37 AM