VULNERABILITY INTELLIGENCE

CVE-2018-4853

CVSS score9.8 CRITICAL

EPSS probability2.27%

CISA KEVNot currently listed

Published2018-07-03

Last modified2026-06-17

CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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 firmware of the device.

Weakness classification

CWE-306: Missing Authentication for Critical Function

Primary references

productcert@siemens.com — Third Party Advisory, VDB Entry
productcert@siemens.com — Mitigation, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Mitigation, Vendor Advisory