Siemens SIPROTEC/SIPROTEC Compact EN100 Ethernet improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.1$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Siemens SIPROTEC and SIPROTEC Compact. This affects an unknown part of the component EN100 Ethernet Module. This manipulation causes improper authentication. This vulnerability is handled as CVE-2016-7114. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Siemens SIPROTEC and SIPROTEC Compact (the affected version is unknown) and classified as very critical. Affected by this vulnerability is an unknown code of the component EN100 Ethernet Module. 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, integrity, and availability. The summary by CVE is:

The EN100 Ethernet module before 4.29 for Siemens SIPROTEC 4 and SIPROTEC Compact devices allows remote attackers to bypass authentication and obtain administrative access via unspecified HTTP traffic during an authenticated session.

The weakness was released 09/06/2016 (Website). It is possible to read the advisory at siemens.com. This vulnerability is known as CVE-2016-7114 since 08/30/2016. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD at the moment (estimation calculated on 09/14/2022).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 92745†). Entries connected to this vulnerability are available at VDB-91289 and VDB-91290. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 9.1

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

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: 🔍

Timelineinfo

08/30/2016 🔍
09/05/2016 +6 days 🔍
09/05/2016 +0 days 🔍
09/06/2016 +1 days 🔍
09/07/2016 +1 days 🔍
09/14/2022 +2198 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-630413
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-7114 (🔍)
GCVE (CVE): GCVE-0-2016-7114
GCVE (VulDB): GCVE-100-91291
SecurityFocus: 92745 - Siemens EN100 Ethernet Module CVE-2016-7114 Authentication Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 09/07/2016 11:07
Updated: 09/14/2022 20:41
Changes: 09/07/2016 11:07 (43), 04/10/2019 21:26 (10), 09/14/2022 20:33 (3), 09/14/2022 20:41 (11)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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