CVE-2017-9946

Name: CVE-2017-9946
Creator: NVD / NIST
Published: 2017-10-23T08:29:00.82+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 24.81%

Last modified Jun 17, 2026

CVE-2017-9946 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A vulnerability has been identified in Siemens APOGEE PXC and TALON TC BACnet Automation Controllers in all versions <V3.5. An attacker with network access to the integrated web server (80/tcp and 443/tcp) could bypass the authentication and download sensitive information from the device.. EPSS estimates a 24.81% 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. An attacker with network access to the integrated web server (80/tcp and 443/tcp) could bypass the authentication and download sensitive information from the device.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

24.81%

97.6th 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-2017-9946?

How severe is CVE-2017-9946?

CVE-2017-9946 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 24.81% probability of exploitation in the next 30 days.

How do I fix CVE-2017-9946?

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-2017-9946?

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

Scan your code now

Source: NVD / NIST