CVE-2017-9946

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.

• CWE-287
• CWE-287

• 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

Published

Oct 23, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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