Vulnerability in Sick Lms500
CVE-2023-4420
A remote unprivileged attacker can intercept the communication via e.g. Man-In-The-Middle, due to the absence of Transport Layer Security (TLS) in the SICK LMS5xx. This lack of encryption in the communication channel can lead to the unauthorized disclosure of sensitive information. The attacker can exploit this weakness to eavesdrop on the communication between the LMS5xx and the Client, and potentially manipulate the data being transmitted.
EPSS: 0.002 (15.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Sick Lms500
- Sick Lms500_firmware
- Sick Lms511
- Sick Lms511_firmware
- Sick Lms531
- Sick Lms531_firmware
- Sick Ag Lms5xx — versions all firmware versions
Weakness classification (CWE)
References
- psirt@sick.de (issue-tracking, Vendor Advisory)
- psirt@sick.de (vendor-advisory, Vendor Advisory)
- psirt@sick.de (x_csaf, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-4420?
- CVE-2023-4420 is a critical-severity vulnerability in Sick Lms500, classified under Missing Encryption of Sensitive Data. CVSS score: 9.8/10. Published 2023-08-24.
- How severe is CVE-2023-4420?
- Critical severity. CVSS v3 base score is 9.8 out of 10.