CVE-2019-18338 Path traversal in Control Center Server (CCS)
An authenticated remote attacker can exploit a directory traversal flaw in Siemens Control Center Server to list arbitrary directories and read files outside the application context.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-18338?
CVE-2019-18338 is a high-severity path traversal vulnerability in Siemens Control Center Server (CCS), published on 12 Dec 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability has been identified in Control Center Server (CCS) (All versions < V1.5.0). The Control Center Server (CCS) contains a directory traversal vulnerability in its XML-based communication protocol as provided by default on ports 5444/tcp and 5440/tcp.
An authenticated remote attacker with network access to the CCS server could exploit this vulnerability to list arbitrary directories or read files outside of the CCS application context.
Which versions are affected by CVE-2019-18338?
It affects 2 products.
Products include Siemens Sinvr 3 Central Control Server, Siemens Sinvr 3 Video Server.
How do I fix CVE-2019-18338?
No fix has been published for CVE-2019-18338 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2019-18338 being exploited?
There is no known exploitation of CVE-2019-18338 in the wild and no public exploit code.
Other vulnerabilities in Siemens Control Center Server (CCS)
Sources
Also known as GHSA-q9wr-9rpv-8m6q.