Siemens EN100 Module up to 4.24 on SIPROTEC Service data processing

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Siemens EN100 Module up to 4.24 on SIPROTEC. It has been classified as problematic. This vulnerability affects unknown code of the component Service. The manipulation leads to data processing. This vulnerability is traded as CVE-2015-5374. Furthermore, there is an exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Siemens EN100 Module up to 4.24 on SIPROTEC and classified as problematic. This issue affects an unknown code block of the component Service. The manipulation with an unknown input leads to a data processing vulnerability. Using CWE to declare the problem leads to CWE-19. Impacted is availability. The summary by CVE is:

The EN100 module with firmware before 4.25 for Siemens SIPROTEC 4 and SIPROTEC Compact devices allows remote attackers to cause a denial of service via crafted packets on UDP port 50000.

The weakness was shared 07/18/2015 (Website). It is possible to read the advisory at siemens.com. The identification of this vulnerability is CVE-2015-5374 since 07/06/2015. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

The exploit is available at packetstormsecurity.com. It is declared as proof-of-concept.

Upgrading to version 4.25 eliminates this vulnerability.Addressing this vulnerability is possible by firewalling udp/50000. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 75948†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Siemens

Name

• EN100 Module

Version

• 4.0
• 4.1
• 4.2
• 4.3
• 4.4
• 4.5
• 4.6
• 4.7
• 4.8
• 4.9
• 4.10
• 4.11
• 4.12
• 4.13
• 4.14
• 4.15
• 4.16
• 4.17
• 4.18
• 4.19
• 4.20
• 4.21
• 4.22
• 4.23
• 4.24

License

• commercial

Website

• Vendor: https://www.siemens.com/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Data processing
CWE: CWE-19
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: EN100 Module 4.25
Firewalling: 🔍
Suricata ID: 2024376
Suricata Class: 🔍
Suricata Message: 🔍

Timelineinfo

07/06/2015 🔍
07/17/2015 +11 days 🔍
07/18/2015 +1 days 🔍
07/18/2015 +0 days 🔍
07/19/2015 +1 days 🔍
06/30/2024 +3269 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-732541
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-5374 (🔍)
GCVE (CVE): GCVE-0-2015-5374
GCVE (VulDB): GCVE-100-76739
SecurityFocus: 75948 - Multiple Siemens SIPROTEC Products EN100 Module CVE-2015-5374 Denial of Service Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/19/2015 10:24
Updated: 06/30/2024 03:22
Changes: 07/19/2015 10:24 (44), 07/09/2017 08:17 (14), 06/03/2022 11:45 (4), 06/30/2024 03:22 (23)
Complete: 🔍
Cache ID: 216::103

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Discussion

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