What’s Vulnerable › Vulnerabilities
CVE-2017-9947
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 8.3% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2017-10-23 · updated 2026-06-17
- Weakness: CWE-538
Description
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.
Affected products
- Siemens Apogee Pxc Firmware: before 3.5 — fixed in 3.5
- Siemens Apogee Pxc Modular Firmware: before 3.5 — fixed in 3.5
- Siemens Talon Tc Compact Firmware: before 3.5 — fixed in 3.5
- Siemens Talon Tc Modular Firmware: before 3.5 — fixed in 3.5
How to fix
Upgrade to a fixed version: Siemens Apogee Pxc Firmware 3.5; Siemens Apogee Pxc Modular Firmware 3.5; Siemens Talon Tc Compact Firmware 3.5; Siemens Talon Tc Modular Firmware 3.5. Check the vendor advisory for mitigations.
References
- http://packetstormsecurity.com/files/169544/Siemens-APOGEE-PXC-TALON-TC-Authentication-Bypass.html
- http://www.securityfocus.com/bid/101248
- https://cert-portal.siemens.com/productcert/pdf/ssa-148078.pdf
- https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-148078.pdf
- http://packetstormsecurity.com/files/169544/Siemens-APOGEE-PXC-TALON-TC-Authentication-Bypass.html
- http://www.securityfocus.com/bid/101248
- https://cert-portal.siemens.com/productcert/pdf/ssa-148078.pdf
- https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-148078.pdf
- https://packetstorm.news/files/id/169544
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