Siemens SIMATIC HMI Basic Panel Password Hash improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Siemens SIMATIC HMI Basic Panel and classified as critical. Affected by this issue is some unknown functionality of the component Password Hash Handler. Executing a manipulation can lead to improper authentication. This vulnerability is registered as CVE-2015-2823. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Siemens SIMATIC HMI Basic Panel (SCADA Software) (the affected version is unknown). It has been declared as critical. This vulnerability affects an unknown code of the component Password Hash Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, and integrity. CVE summarizes:

Siemens SIMATIC HMI Basic Panels 2nd Generation before WinCC (TIA Portal) 13 SP1 Upd2, SIMATIC HMI Comfort Panels before WinCC (TIA Portal) 13 SP1 Upd2, SIMATIC WinCC Runtime Advanced before WinCC (TIA Portal) 13 SP1 Upd2, SIMATIC WinCC Runtime Professional before WinCC (TIA Portal) 13 SP1 Upd2, SIMATIC HMI Basic Panels 1st Generation (WinCC TIA Portal), SIMATIC HMI Mobile Panel 277 (WinCC TIA Portal), SIMATIC HMI Multi Panels (WinCC TIA Portal), and SIMATIC WinCC 7.x before 7.3 Upd4 allow remote attackers to complete authentication by leveraging knowledge of a password hash without knowledge of the associated password.

The weakness was published 04/08/2015 by Positive Technologies with Positive Technologies (Website). The advisory is shared for download at siemens.com. This vulnerability was named CVE-2015-2823 since 04/01/2015. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 74040†) and Vulnerability Center (SBV-52384†). Similar entry is available at VDB-74679. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
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: Improper authentication
CWE: CWE-287
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/01/2015 🔍
04/08/2015 +7 days 🔍
04/08/2015 +0 days 🔍
04/08/2015 +0 days 🔍
04/09/2015 +1 days 🔍
04/10/2015 +1 days 🔍
09/01/2015 +144 days 🔍
05/03/2022 +2436 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-487246
Researcher: Positive Technologies
Organization: Positive Technologies
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-2823 (🔍)
GCVE (CVE): GCVE-0-2015-2823
GCVE (VulDB): GCVE-100-74680
SecurityFocus: 74040 - Multiple Siemens SIMATIC Products CVE-2015-2823 Authentication Bypass Vulnerability
Vulnerability Center: 52384 - Siemens SIMATIC WinCC Remote Bypass Restrictions by Leveraging Knowledge of a Password Hash, Medium

See also: 🔍

Entryinfo

Created: 04/09/2015 10:42
Updated: 05/03/2022 07:43
Changes: 04/09/2015 10:42 (56), 11/20/2017 12:17 (6), 05/03/2022 07:43 (3)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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