CVE-2011-4509 Hardcoded credentials in n/a

Critical 10.0 Published Updated

Remote attackers can gain administrator access to Siemens HMI panels by exploiting a weak default password, requiring a configuration change to secure the device.

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-2011-4509?

CVE-2011-4509 is a critical 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 HMI web server 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 has an improperly selected default password for the administrator account, which makes it easier for remote attackers to obtain access via a brute-force approach involving many HTTP requests.

Weakness: CWE-264

Which versions are affected by CVE-2011-4509?

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-2011-4509?

No fix has been published for CVE-2011-4509 yet. Limit exposure of the affected software until one is available.

Is CVE-2011-4509 being exploited?

There is no known exploitation of CVE-2011-4509 in the wild and no public exploit code.

Sources

Also known as GHSA-xrjh-j238-j8p7.

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