CVE-2018-4855 Information disclosure in SICLOCK TC100, SICLOCK TC400

Medium 6.5 Published 3 Jul 2018 Updated 17 Sep 2024

Attackers with privileged access can obtain passwords from unencrypted storage or network transmission in Siemens SICLOCK devices.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2018-4855?

CVE-2018-4855 is a medium-severity vulnerability in Siemens AG SICLOCK TC100, SICLOCK TC400, published on 3 Jul 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A vulnerability has been identified in SICLOCK TC100 (All versions) and SICLOCK TC400 (All versions). Unencrypted storage of passwords in the client configuration files and during network transmission could allow an attacker in a privileged position to obtain access passwords.

Weakness: CWE-311

Which versions are affected by CVE-2018-4855?

It affects 2 products.

Products include Siemens Siclock Tc100 Firmware, Siemens Siclock Tc400 Firmware.

How do I fix CVE-2018-4855?

No fix has been published for CVE-2018-4855 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-4855 being exploited?

There is no known exploitation of CVE-2018-4855 in the wild and no public exploit code.

Sources

Also known as GHSA-5879-3vjc-222g.