Auth bypass in Loytec Linx-212
CVE-2023-46381
LOYTEC LINX-151, LINX-212, LVIS-3ME12-A1, LIOB-586, LIOB-580 V2, LIOB-588, L-INX Configurator devices (all versions) lack authentication for the preinstalled version of LWEB-802 via an lweb802_pre/ URI. An unauthenticated attacker can edit any project (or create a new project) and control its GUI.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L.
EPSS exploit prediction
EPSS: 0.074 (94.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.074 · newest: 0.074 · change: 0.000
Affected products
- Loytec Linx-212
- Loytec Linx-212 Firmware — versions 6.2.4
- Loytec Liob-586
- Loytec Liob-586 Firmware — versions 6.2.3
- Loytec Lvis-3me12-A1
- Loytec Lvis-3me12-A1 Firmware — versions 6.2.2
Weakness classification (CWE)
References
- seclists.org/fulldisclosure/2023/Nov/0 (Mailing List, Third Party Advisory)
- packetstormsecurity.com/files/175646/LOYTEC-Electronics-Insecure-Transit-Insecu… (Third Party Advisory)
- www.txone.com/blog/ten-unpatched-vulnerabilities-in-building-automation-product…
- www.cisa.gov/news-events/ics-advisories/icsa-24-247-01
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-46381?
- CVE-2023-46381 is a high-severity vulnerability in Loytec Linx-212, classified under Missing Authentication for Critical Function. CVSS score: 8.2/10. Published 2023-11-04.
- How severe is CVE-2023-46381?
- High severity. CVSS v3 base score is 8.2 out of 10.