CVE-2011-4878 Path traversal in n/a
Remote attackers can read arbitrary files from Siemens HMI web servers via directory traversal, exposing sensitive industrial control system data.
- 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-2011-4878?
CVE-2011-4878 is a high-severity path traversal vulnerability in n/a, published on 3 Feb 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Directory traversal vulnerability in miniweb.exe in the HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008 before SP3; WinCC V11 (aka TIA portal) before SP2 Update 1; the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime allows remote attackers to read arbitrary files via a ..%5c (dot dot backslash) in a URI.
Weakness: CWE-22
Which versions are affected by CVE-2011-4878?
It affects 5 products.
Products include Siemens Simatic Hmi Panels, Siemens Wincc, Siemens Wincc Flexible, Siemens Wincc Flexible Runtime, Siemens Wincc Runtime Advanced.
How do I fix CVE-2011-4878?
No fix has been published for CVE-2011-4878 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-2011-4878 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-4878 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as GHSA-hcgx-xc4m-9h7x.