What’s Vulnerable › Vulnerabilities

CVE-2023-4418

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-08-24 · updated 2026-06-17
• Weakness: CWE-400

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.

Affected products

• SICK Lms500 Firmware: all versions
• SICK Lms511 Firmware: all versions
• SICK Lms531 Firmware: all versions

References

• https://sick.com/.well-known/csaf/white/2023/sca-2023-0007.json
• https://sick.com/.well-known/csaf/white/2023/sca-2023-0007.pdf
• https://sick.com/psirt
• https://sick.com/.well-known/csaf/white/2023/sca-2023-0007.json
• https://sick.com/.well-known/csaf/white/2023/sca-2023-0007.pdf
• https://sick.com/psirt

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