Siemens 7KT PAC1200 Data Manager up to 2.02 Integrated Web Server access control

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 (≈)
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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.
8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Siemens 7KT PAC1200 Data Manager up to 2.02. It has been declared as critical. This affects an unknown part of the component Integrated Web Server. Executing a manipulation can lead to access control. The identification of this vulnerability is CVE-2017-9944. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Siemens 7KT PAC1200 Data Manager up to 2.02. This vulnerability affects some unknown processing of the component Integrated Web Server. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A vulnerability has been identified in Siemens 7KT PAC1200 data manager (7KT1260) in all versions < V2.03. The integrated web server (port 80/tcp) of the affected devices could allow an unauthenticated remote attacker to perform administrative operations over the network.

The bug was discovered 10/05/2017. The weakness was shared 12/27/2017 by Maxim Rupp (Website). The advisory is shared for download at siemens.com. This vulnerability was named CVE-2017-9944 since 06/26/2017. The exploitation appears to be easy. 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. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 83 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 2.03 eliminates this vulnerability.Proper firewalling of tcp/80 (Web Services) is able to address this issue. 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 101184†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Access control
CWE: CWE-284 / CWE-266
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: 🔍

Upgrade: 7KT PAC1200 Data Manager 2.03
Firewalling: 🔍

Timelineinfo

06/26/2017 🔍
10/05/2017 +101 days 🔍
10/05/2017 +0 days 🔍
12/27/2017 +83 days 🔍
12/27/2017 +0 days 🔍
12/28/2017 +1 days 🔍
01/19/2023 +1848 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-971654
Researcher: Maxim Rupp
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-9944 (🔍)
GCVE (CVE): GCVE-0-2017-9944
GCVE (VulDB): GCVE-100-111124
SecurityFocus: 101184 - Siemens 7KT PAC1200 Data Manager CVE-2017-9944 Authentication Bypass Vulnerability

Entryinfo

Created: 12/28/2017 09:54
Updated: 01/19/2023 13:02
Changes: 12/28/2017 09:54 (61), 12/18/2019 14:12 (5), 01/19/2023 13:02 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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