CVE-2018-4854

Name: CVE-2018-4854
Creator: NVD / NIST
Published: 2018-07-03T14:29:00.367+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.58%

Last modified Jun 17, 2026

CVE-2018-4854 is a vulnerability of currently unknown severity. 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. EPSS estimates a 2.58% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

2.58%

83.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-306

Affected Software

Vendor	Product	Versions
Siemens	Siclock Tc400 Firmware	All versions
Siemens	Siclock Tc100 Firmware	All versions

References

http://www.securityfocus.com/bid/104672Third Party Advisory, VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-197012.pdfMitigation, Vendor Advisory
http://www.securityfocus.com/bid/104672Third Party Advisory, VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-197012.pdfMitigation, Vendor Advisory

Timeline

Published: Jul 3, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-4854?

How severe is CVE-2018-4854?

Severity scoring for CVE-2018-4854 is pending analysis. The EPSS model estimates a 2.58% probability of exploitation in the next 30 days.

How do I fix CVE-2018-4854?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-4854?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST