Siemens APOGEE PXC/TALON TC BACnet up to 3.4 Integrated Web Server path traversal

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Siemens APOGEE PXC and TALON TC BACnet up to 3.4. Impacted is an unknown function of the component Integrated Web Server. Executing a manipulation can lead to path traversal. This vulnerability is handled as CVE-2017-9947. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Siemens APOGEE PXC and TALON TC BACnet up to 3.4. This vulnerability affects some unknown functionality of the component Integrated Web Server. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality. CVE summarizes:

A vulnerability has been identified in Siemens APOGEE PXC and TALON TC BACnet Automation Controllers in all versions <V3.5. A directory traversal vulnerability could allow a remote attacker with network access to the integrated web server (80/tcp and 443/tcp) to obtain information on the structure of the file system of the affected devices.

The bug was discovered 10/12/2017. The weakness was released 10/23/2017 (Website). The advisory is available at siemens.com. This vulnerability was named CVE-2017-9947 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. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 11 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 3.5 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 101248†). Entry connected to this vulnerability is available at VDB-108585. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

ADP CISA Base Score: 5.3
ADP CISA Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
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: APOGEE PXC/TALON TC BACnet 3.5

Timelineinfo

06/26/2017 🔍
10/12/2017 +108 days 🔍
10/12/2017 +0 days 🔍
10/23/2017 +11 days 🔍
10/23/2017 +0 days 🔍
10/24/2017 +1 days 🔍
06/03/2026 +3143 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-148078
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-9947 (🔍)
GCVE (CVE): GCVE-0-2017-9947
GCVE (VulDB): GCVE-100-108586
SecurityFocus: 101248 - Multiple Siemens Products Authentication Bypass and Directory Traversal Vulnerabilities

See also: 🔍

Entryinfo

Created: 10/24/2017 11:10
Updated: 06/03/2026 00:49
Changes: 10/24/2017 11:10 (62), 11/30/2019 14:13 (4), 01/04/2023 14:14 (4), 06/03/2026 00:49 (26)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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