#VU22294 Unprotected storage of credentials in pCOWeb - CVE-2019-11369

Vulnerability identifier: #VU22294

Vulnerability risk: Medium

CVSSv4.0: 5.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2019-11369

CWE-ID: CWE-256

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
pCOWeb
Hardware solutions / Firmware

Vendor: Carel

Description

The vulnerability allows a remote user to gain access to other users' credentials.

The vulnerability exists due to application stored credentials in plain text in "/config/pw_changeusers.html" file on the system. A remote authenticated user can view contents of the configuration file and gain access to passwords for 3rd party integration.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

pCOWeb: before B1.2.4

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External links
https://drive.google.com/open?id=12Sq6oaxe1mC1y71Emo1YladjDjwTdNfb
https://github.com/nepenthe0320/cve_poc/blob/master/CVE-2019-11369

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user 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.