CVE-2023-46383 json
LOYTEC electronics GmbH LINX Configurator (all versions) uses HTTP Basic Authentication, which transmits usernames and passwords in base64-…
published 2023-11-30 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-50603
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
LOYTEC electronics GmbH LINX Configurator (all versions) uses HTTP Basic Authentication, which transmits usernames and passwords in base64-encoded cleartext and allows remote attackers to steal the password and gain full control of Loytec device configuration.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-24-247-01 updated cvss 7.5
LOYTEC Electronics LINX Series
-
LOYTEC electronics GmbH L-INX Configurator LOYTEC electronics GmbH LINX-151 LOYTEC electronics GmbH LINX-212 LOYTEC electronics GmbH LIOB-580 V2 LOYTEC electronics GmbH LIOB-586 LOYTEC electronics GmbH LIOB-588affected: mitigation “LOYTEC recommends customers using the affected products to update to version 8.2.8. Additionally, LOYTEC recommends the following actions:” loytec.com
+1 more productsfewer
LOYTEC electronics GmbH LVIS-3ME12-A1
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Exploit prediction
1.44% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Classification
- Weakness
-
- CWE-319 Cleartext Transmission of Sensitive Information
References
-
seclists.org
/fulldisclosure/2023/Nov/6
mailing-list, third-party-advisory
-
packetstormsecurity.com
/files/175951/Loytec-LINX-Configurator-7.4.10-Insecure-Transit-Cleartext-Secrets.html
third-party-advisory, vdb-entry
- txone.com /blog/ten-unpatched-vulnerabilities-in-building-automation-products-identified-by-txone-networks/
- cisa.gov /news-events/ics-advisories/icsa-24-247-01
- seclists.org /fulldisclosure/2023/Nov/6
Sources
- CVE List CVE-2023-46383
- NVD CVE-2023-46383
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.