Vulnerability Monitor

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CVE-2017-9947

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.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.3, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts limited data confidentiality, for affected systems. Impacting 8 products from siemens, from siemens, from siemens and 5 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2017, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2017-10-23T08:29:00.867

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-538
Type: Primary
CWE-22

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	siemens	apogee_pxc_firmware	< 3.5	Yes
Hardware	siemens	apogee_pxc	-	No
Operating System	siemens	apogee_pxc_modular_firmware	< 3.5	Yes
Hardware	siemens	apogee_pxc_modular	-	No
Operating System	siemens	talon_tc_compact_firmware	< 3.5	Yes
Hardware	siemens	talon_tc_compact	-	No
Operating System	siemens	talon_tc_modular_firmware	< 3.5	Yes
Hardware	siemens	talon_tc_modular	-	No

References

http://packetstormsecurity.com/files/169544/Siemens-APOGEE-PXC-TALON-TC-Authentication-Bypass.html Exploit, Third Party Advisory, VDB Entry ([email protected])
http://www.securityfocus.com/bid/101248 Broken Link, Third Party Advisory, VDB Entry ([email protected])
https://cert-portal.siemens.com/productcert/pdf/ssa-148078.pdf Vendor Advisory ([email protected])
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-148078.pdf Broken Link, Vendor Advisory ([email protected])
http://packetstormsecurity.com/files/169544/Siemens-APOGEE-PXC-TALON-TC-Authentication-Bypass.html Exploit, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/101248 Broken Link, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://cert-portal.siemens.com/productcert/pdf/ssa-148078.pdf Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-148078.pdf Broken Link, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For siemens's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.