CVE-2017-9947: siemens apogee_pxc_firmware
Vulnerability summary
CVE-2017-9947 is a medium (CVSS 5.3) vulnerability in siemens apogee_pxc_firmware. EPSS estimates a 7.34% chance of exploitation in the next 30 days, higher than 94.3% of scored vulnerabilities. 2 public exploits are recorded.
Timeline
- 23-10-2017PublishedVulnerability first disclosed.
- 02-06-2026Last modifiedVulnerability information updated.
Description
A vulnerability has been identified in Siemens APOGEE PXC and TALON TC BACnet Automation Controllers in all versions <V3.5. A directory traversal vulnerability could allow a remote attacker with network access to the integrated web server (80/tcp and 443/tcp) to obtain information on the structure of the file system of the affected devices.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
7.34%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
0.00 pp
From 7.34% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (packetstorm.news)
Maturity: unknown
Exploit Reference (packetstormsecurity.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-538Insertion of Sensitive Information into Externally-Accessible File or DirectoryThe product places sensitive information into files or directories that are accessible to actors who are allowed to have access to the files, but not to the sensitive information.
- CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
Affected systems
Siemens4 products
1 vendor · 4 products
References
5 links- cert-portal.siemens.com/productcert/pdf/ssa-148078.pdfVendor Advisory
- packetstormsecurity.com/files/169544/Siemens-APOGEE-PXC-TALON-TC-Authentication-Bypass.htmlExploitThird Party AdvisoryVDB Entry