Hardcoded credentials in Siemens SIMATIC WinCC and PSC 7 SCADA systems

Published: 2010-07-21 | Updated: 2017-03-24
Severity High
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2010-2772
CWE ID CWE-259
Exploitation vector Local
Public exploit Vulnerability #1 is being exploited in the wild.
Vulnerable software SIMATIC PCS 7 Subscribe
Siemens SIMATIC WinCC
Vendor Siemens

Security Advisory

This security advisory describes one high risk vulnerability.

1) Hardcoded credentials

Severity: High

CVSSv3: 8.4 [CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C] [PCI]

CVE-ID: CVE-2010-2772

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

Description

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.

Mitigation

Follow vendor recommendations to resolve this issue.

Vulnerable software versions

SIMATIC PCS 7: -

Siemens SIMATIC WinCC: -

CPE External links

https://support.industry.siemens.com/cs/document/43876783/simatic-wincc-simatic-pcs-7%3A-information...

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.