CVE-2023-4418
HIGHSICK LMS5xx Firmware - Denial of Service via TCP SYN Flood
Title source: llmDescription
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.
References (3)
Core 3
Core References
Vendor Advisory issue-tracking
https://sick.com/psirt
Vendor Advisory vendor-advisory
https://sick.com/.well-known/csaf/white/2023/sca-2023-0007.pdf
Vendor Advisory x_csaf
https://sick.com/.well-known/csaf/white/2023/sca-2023-0007.json
Scores
CVSS v3
7.5
EPSS
0.0069
EPSS Percentile
47.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-400
Status
published
Products (4)
sick/lms500_firmware
sick/lms511_firmware
sick/lms531_firmware
SICK AG/LMS5xx
all firmware versions
Published
Aug 24, 2023
Tracked Since
Feb 18, 2026