CVE-2017-9947

Name: CVE-2017-9947
Creator: NVD / NIST
Published: 2017-10-23T08:29:00.867+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 7.28%

Last modified Jun 17, 2026

CVE-2017-9947 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 7.28% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

7.28%

93.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
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

References

http://packetstormsecurity.com/files/169544/Siemens-APOGEE-PXC-TALON-TC-Authentication-Bypass.htmlExploit, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/101248Broken Link, Third Party Advisory, VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-148078.pdfVendor Advisory
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-148078.pdfBroken Link, Vendor Advisory
http://packetstormsecurity.com/files/169544/Siemens-APOGEE-PXC-TALON-TC-Authentication-Bypass.htmlExploit, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/101248Broken Link, Third Party Advisory, VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-148078.pdfVendor Advisory
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-148078.pdfBroken Link, Vendor Advisory
https://packetstorm.news/files/id/169544

Timeline

Published: Oct 23, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-9947?

How severe is CVE-2017-9947?

CVE-2017-9947 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 7.28% probability of exploitation in the next 30 days.

How do I fix CVE-2017-9947?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-9947?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST