CVE-2022-37122

EUVD-2022-39775

31.08.2022, 16:15

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.

Path Traversal

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	7.5 HIGH	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Base Score

CVSS 3.x

EPSS Score

Percentile: 98%

Affected Products (NVD)

Vendor	Product	Version
carel	applica	2.154a:a
carel	pcoweb_hvac_bacnet_gateway	2.1.0

𝑥

= Vulnerable software versions

Known Exploits!

Common Weakness Enumeration

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
The software 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 software 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.

References

https://packetstormsecurity.com/files/167684/

https://www.zeroscience.mk/codes/carelpco_dir.txt

https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5709.php

https://packetstormsecurity.com/files/167684/

https://www.zeroscience.mk/codes/carelpco_dir.txt

https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5709.php