Siemens SIMATIC S7-300 PN/SIMATIC S7-400 PN Protection Level 2 Credentials information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k0.00

A vulnerability was found in Siemens SIMATIC S7-300 PN and SIMATIC S7-400 PN (SCADA Software) (affected version not known). It has been declared as problematic. Affected by this vulnerability is some unknown functionality of the component Protection Level 2. The manipulation with an unknown input leads to a information disclosure vulnerability (Credentials). The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

A vulnerability in SIEMENS SIMATIC S7-300 PN CPUs (all versions including V3.2.12) and SIMATIC S7-400 PN CPUs (all versions including V7) could allow a remote attacker to obtain credentials from the PLC if protection-level 2 is configured on the affected devices.

The bug was discovered 12/13/2016. The weakness was shared 12/17/2016 (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2016-9159 since 11/03/2016. 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 $0-$5k at the moment (estimation calculated on 10/12/2022). The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $5k-$25k.

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 vulnerability database at SecurityFocus (BID 94820†). The entry VDB-94578 is related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
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

Name: Credentials
Class: Information disclosure / Credentials
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 103180
OpenVAS Name: Siemens SIMATIC S7-300/400 PLC Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/03/2016 🔍
12/09/2016 +36 days 🔍
12/13/2016 +4 days 🔍
12/16/2016 +3 days 🔍
12/17/2016 +1 days 🔍
12/17/2016 +0 days 🔍
10/12/2022 +2125 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-731239
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-9159 (🔍)
GCVE (CVE): GCVE-0-2016-9159
GCVE (VulDB): GCVE-100-94579
SecurityFocus: 94820 - SIMATIC S7-300 and S7-400 CPUs Denial of Service and Information Disclosure Vulnerabilities
SecurityTracker: 1037434

See also: 🔍

Entryinfo

Created: 12/17/2016 07:23 PM
Updated: 10/12/2022 09:00 AM
Changes: 12/17/2016 07:23 PM (62), 07/09/2019 05:21 PM (7), 10/12/2022 09:00 AM (3)
Complete: 🔍
Cache ID: 18:35B:40

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