Vulnerability Details : CVE-2017-9947
Potential exploit
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.
Vulnerability category: Directory traversal
Products affected by CVE-2017-9947
- cpe:2.3:o:siemens:apogee_pxc_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:apogee_pxc_modular_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:talon_tc_compact_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:talon_tc_modular_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-9947
30.48%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 96 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-9947
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2017-9947
-
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.Assigned by: nvd@nist.gov (Primary)
-
The 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.Assigned by: productcert@siemens.com (Secondary)
References for CVE-2017-9947
-
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-148078.pdf
Broken Link;Vendor Advisory
-
https://cert-portal.siemens.com/productcert/pdf/ssa-148078.pdf
Vendor Advisory
-
http://www.securityfocus.com/bid/101248
Multiple Siemens Products Authentication Bypass and Directory Traversal VulnerabilitiesBroken Link;Third Party Advisory;VDB Entry
-
http://packetstormsecurity.com/files/169544/Siemens-APOGEE-PXC-TALON-TC-Authentication-Bypass.html
Siemens APOGEE PXC / TALON TC Authentication Bypass ≈ Packet StormExploit;Third Party Advisory;VDB Entry
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