Hardcoded credentials in Siemens SIMATIC WinCC and PSC 7 SCADA systems

Published: 2010-07-21 | Updated: 2017-03-24
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2010-2772
Exploitation vector Local
Public exploit Vulnerability #1 is being exploited in the wild.
Vulnerable software
Server applications / SCADA systems

Server applications / SCADA systems

Vendor Siemens

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Hardcoded credentials


Risk: High

CVSSv3.1: 8.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2010-2772

CWE-ID: CWE-259 - Use of Hard-coded Password

Exploit availability: No


The vulnerability allows a local user to obtain hardcoded credentials.

The vulnerability exists due to usage of hardcoded password to access back-end database. A local user can obtain password and gain unaithorized access SCADA system.

Successful exploitation of the vulnerability may allow an attacker to gain complete control over the industrial process.

Note: this vulnerability is being actively exploited by the Stuxnet malware.


Follow vendor recommendations to resolve this issue.

Vulnerable software versions

SIMATIC PCS 7: All versions

Siemens SIMATIC WinCC: All versions

External links


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.