CVE-2018-4854 json
A vulnerability has been identified in SICLOCK TC100 (All versions) and SICLOCK TC400 (All versions).
published 2018-07-03 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-16640
- cvss
- 8.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.5%
- EPSS 2.5% chance of exploitation in 30 days, percentile 85%
- public exploits
- 0
- none known
Summary
A vulnerability has been identified in SICLOCK TC100 (All versions) and SICLOCK TC400 (All versions). An attacker with network access to port 69/udp could modify the administrative client stored on the device. If a legitimate user downloads and executes the modified client from the affected device, then he/she could obtain code execution on the client system.
Exploit prediction
2.54% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
Affected products
- Siemens AG SICLOCK TC100, SICLOCK TC400
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
References
-
cert-portal.siemens.com
/productcert/pdf/ssa-197012.pdf
mitigation, vendor-advisory
-
securityfocus.com
/bid/104672
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-4854
- NVD CVE-2018-4854
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.