#VU6891 Authentication bypass in PowerAgent SC3 Site Controller - CVE-2017-6039

Vulnerability identifier: #VU6891

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-6039

CWE-ID: CWE-259

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PowerAgent SC3 Site Controller
Web applications / Other software

Vendor: Phoenix Broadband Technologies, LLC

Description
The vulnerability allows a remote attacker to bypass authentication on the target system.

The weakness exists due to use of hard-coded password. A remote attacker can gain unauthorized access to the battery monitoring system.

Mitigation
Update to version 6.87.

Vulnerable software versions

PowerAgent SC3 Site Controller: All versions

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External links
https://ics-cert.us-cert.gov/advisories/ICSA-17-152-01

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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.