Auth bypass in Siemens Apogee Pxc
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.250 (97.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.250 · newest: 0.250 · change: 0.000
Affected products
- Siemens Apogee Pxc
- Siemens Apogee Pxc Firmware
- Siemens Apogee Pxc Modular
- Siemens Apogee Pxc Modular Firmware
- Siemens Talon Tc Compact
- Siemens Talon Tc Compact Firmware
- Siemens Talon Tc Modular
- Siemens Talon Tc Modular Firmware
- Apogee Pxc And Talon Tc Bacnet Automation Controllers All Versions <v3.5 — versions APOGEE PXC and TALON TC BACnet Automation Controllers All versions <V3.5
Weakness classification (CWE)
References
- www.securityfocus.com/bid/101248 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-148078.pdf (Broken Link, Vendor Advisory)
- cert-portal.siemens.com/productcert/pdf/ssa-148078.pdf (Vendor Advisory)
- packetstormsecurity.com/files/169544/Siemens-APOGEE-PXC-TALON-TC-Authentication… (Exploit, VDB Entry, Third Party Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0
Frequently asked questions
- What is CVE-2017-9946?
- CVE-2017-9946 is a high-severity vulnerability in Siemens Apogee Pxc, classified under Improper Authentication. CVSS score: 7.5/10. Published 2017-10-23.
- How severe is CVE-2017-9946?
- High severity. CVSS v3 base score is 7.5 out of 10.