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Vulnerability record · CVE-2017-9946 · published 23 October 2017

CVE-2017-9946: Siemens apogee pxc firmware improper authentication vulnerability

Siemens · Apogee Pxc Firmware

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.

7.5 CVSS 3.1 High EPSS 25% · top 2.2% CWE-287 · Improper authentication
7.5CVSS 3.1 base score, v2 5.0
25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
9References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/169544/Siemens-APOGEE-PXC-TALON-TC-Authentication-Bypass.html ExploitThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/101248 Broken LinkThird Party AdvisoryVDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-148078.pdf Vendor Advisory
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-148078.pdf Broken LinkVendor Advisory
http://packetstormsecurity.com/files/169544/Siemens-APOGEE-PXC-TALON-TC-Authentication-Bypass.html ExploitThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/101248 Broken LinkThird Party AdvisoryVDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-148078.pdf Vendor Advisory
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-148078.pdf Broken LinkVendor Advisory
https://packetstorm.news/files/id/169544

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-9946), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.