Vulnerability identifier: #VU8820

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2017-9947

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
BACnet Field Panels
Hardware solutions / Firmware

Vendor: Siemens

Description
The vulnerability allows a remote attacker to obtain potentially sensitive information.

The weakness exists due to path traversal. A remote attacker with network access to the integrated web server (Ports 80/TCP and 443/TCP) can obtain information on the structure of the file system of the affected devices.

Mitigation
Update to version 3.5.

Vulnerable software versions

BACnet Field Panels: All versions

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External links
http://ics-cert.us-cert.gov/advisories/ICSA-17-285-05

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.