CVE-2018-13804 Auth bypass in SIMATIC IT LMS, SIMATIC IT Production Suite, SIMATIC IT UA Discrete Manufacturing, SIMATIC IT UA Discrete Manufacturing, SIMATIC IT UA Discrete Manufacturing, SIMATIC IT UA Discrete Manufacturing, SIMATIC IT UA Discrete Manufacturing
An attacker with network access and a valid username can bypass application-level authentication in Siemens SIMATIC IT systems, compromising confidentiality, integrity, and availability.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-13804?
CVE-2018-13804 is a high-severity authentication bypass vulnerability in Siemens AG SIMATIC IT LMS, SIMATIC IT Production Suite, SIMATIC IT UA Discrete Manufacturing, SIMATIC IT UA Discrete Manufacturing, SIMATIC IT UA Discrete Manufacturing, SIMATIC IT UA Discrete Manufacturing, SIMATIC IT UA Discrete Manufacturing, published on 13 Dec 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability has been identified in SIMATIC IT LMS (All versions), SIMATIC IT Production Suite (Versions V7.1 < V7.1 Upd3), SIMATIC IT UA Discrete Manufacturing (Versions < V1.2), SIMATIC IT UA Discrete Manufacturing (Versions V1.2), SIMATIC IT UA Discrete Manufacturing (Versions V1.3), SIMATIC IT UA Discrete Manufacturing (Versions V2.3), SIMATIC IT UA Discrete Manufacturing (Versions V2.4). An attacker with network access to the installation could bypass the application-level authentication. In order to exploit the vulnerability, an attacker must obtain network access to an affected installation and must obtain a valid username to the system. Successful exploitation requires no user privileges and no user interaction. The vulnerability could allow an attacker to compromise confidentiality, integrity and availability of the system. At the time of advisory publication no public exploitation of this vulnerability was known.
Weakness: CWE-287
Which versions are affected by CVE-2018-13804?
It affects 3 products.
Products include Siemens Simatic It Line Monitoring System, Siemens Simatic It Production Suite, Siemens Simatic It Ua Discrete Manufacturing.
How do I fix CVE-2018-13804?
No fix has been published for CVE-2018-13804 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2018-13804 being exploited?
There is no known exploitation of CVE-2018-13804 in the wild and no public exploit code.
Sources
Also known as GHSA-hf5v-q9xg-wmjx.