CVE-2023-4418
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.84%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.84% probability · 56th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- sick/lms531 firmware · sick/lms511 firmware · sick/lms500 firmware
- Source
- psirt@sick.de
References
- https://sick.com/.well-known/csaf/white/2023/sca-2023-0007.jsonVendor Advisory
- https://sick.com/.well-known/csaf/white/2023/sca-2023-0007.pdfVendor Advisory
- https://sick.com/psirtVendor Advisory
- https://sick.com/.well-known/csaf/white/2023/sca-2023-0007.jsonVendor Advisory
- https://sick.com/.well-known/csaf/white/2023/sca-2023-0007.pdfVendor Advisory
- https://sick.com/psirtVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.