CVE-2017-9946 Auth bypass in APOGEE PXC and TALON TC BACnet Automation Controllers All versions <V3.5
An attacker with network access can bypass authentication on Siemens BACnet controllers to download sensitive information.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-9946?
CVE-2017-9946 is a high-severity authentication bypass vulnerability in APOGEE PXC and TALON TC BACnet Automation Controllers All versions <V3.5, published on 23 Oct 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-287
Which versions are affected by CVE-2017-9946?
It affects 4 products.
Products include Siemens Apogee Pxc Firmware, Siemens Apogee Pxc Modular Firmware, Siemens Talon Tc Compact Firmware, Siemens Talon Tc Modular Firmware.
How do I fix CVE-2017-9946?
No fix has been published for CVE-2017-9946 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2017-9946 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-9946 exists.
Other vulnerabilities in APOGEE PXC and TALON TC BACnet Automation Controllers All versions <V3.5
Sources
Also known as GHSA-fgqr-7xrp-hhfh.