What’s Vulnerable › Vulnerabilities

CVE-2017-9946

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 25.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-10-23 · updated 2026-06-17
• Weakness: CWE-287

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.

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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