CVE-2011-4514 Auth bypass in n/a
Remote attackers can gain unauthorized access to Siemens WinCC HMI panels via the unauthenticated TELNET daemon, potentially compromising industrial control systems.
- 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-2011-4514?
CVE-2011-4514 is a critical authentication bypass 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
The TELNET daemon in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime does not perform authentication, which makes it easier for remote attackers to obtain access via a TCP session.
Weakness: CWE-287
Which versions are affected by CVE-2011-4514?
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-2011-4514?
No fix has been published for CVE-2011-4514 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-2011-4514 being exploited?
There is no known exploitation of CVE-2011-4514 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-vp7j-9chr-3qw6.