Carel pCOWeb HVAC BACnet Gateway 2.1.0, Firmware: A2.1.0 - B2.1.0, Application Software: 2.15.4A Software v16 13020200 suffers from an unauthenticated arbitrary file disclosure vulnerability. Input passed through the 'file' GET parameter through the 'logdownload.cgi' Bash script is not properly verified before being used to download log files. This can be exploited to disclose the contents of arbitrary and sensitive files via directory traversal attacks.

An issue was discovered in Carel pCOWeb prior to B1.2.4. In /config/pw_changeusers.html the device stores cleartext passwords, which may allow sensitive information to be read by someone with access to the device.

Stored XSS was discovered in Carel pCOWeb prior to B1.2.4, as demonstrated by the config/pw_snmp.html "System contact" field.

The Glen Dimplex Deutschland GmbH implementation of the Carel pCOWeb configuration tool allows remote attackers to obtain access via an HTTP session on port 10000, as demonstrated by reading the modem password (which is 1234), or reconfiguring "party mode" or "vacation mode."