Siemens SIMATIC HMI panel Administrator Account access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.8$5k-$25k0.00

Summaryinfo

A vulnerability was found in Siemens SIMATIC HMI panel. It has been rated as critical. This affects an unknown part of the component Administrator Account. The manipulation leads to access control. This vulnerability is referenced as CVE-2011-4509. No exploit is available.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Siemens SIMATIC HMI panel (SCADA Software) (version unknown). This issue affects an unknown function of the component Administrator Account. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was published 02/03/2012 by Billy Rios (Website). It is possible to read the advisory at us-cert.gov. The identification of this vulnerability is CVE-2011-4509 since 11/22/2011. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 11/29/2021). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at SecurityFocus (BID 51177†) and Vulnerability Center (SBV-34144†). Similar entries are available at VDB-60105, VDB-60104, VDB-60103 and VDB-60102. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.8

VulDB Base Score: 9.8
VulDB Temp Score: 9.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 103372
OpenVAS Name: Multiple Siemens SIMATIC Products Authentication Bypass Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/22/2011 🔍
12/22/2011 +30 days 🔍
12/22/2011 +0 days 🔍
12/28/2011 +6 days 🔍
02/03/2012 +37 days 🔍
02/03/2012 +0 days 🔍
03/23/2015 +1144 days 🔍
11/29/2021 +2443 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-345442
Researcher: Billy Rios
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-4509 (🔍)
GCVE (CVE): GCVE-0-2011-4509
GCVE (VulDB): GCVE-100-60095
SecurityFocus: 51177 - Multiple Siemens SIMATIC Products Authentication Bypass Vulnerabilities
Vulnerability Center: 34144 - Siemens SIMATIC Default Credentials Allow Remote Authentication Bypass, Critical

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/29/2021 12:33
Changes: 03/23/2015 16:50 (52), 04/09/2017 13:11 (11), 11/29/2021 12:33 (3)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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