SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-4853

A vulnerability has been identified in SICLOCK TC100 (All versions) and SICLOCK TC400 (All versions).

CRITICAL 9.8EPSS 2.27%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
2.27% probability · 82th percentile
CISA KEV
Not listed
Weakness
CWE-306
Affected
siemens/siclock tc400 firmware · siemens/siclock tc100 firmware
Source
productcert@siemens.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.