#VU52293 Path traversal in C-Bus Toolkit


Published: 2021-04-16

Vulnerability identifier: #VU52293

Vulnerability risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-22717

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
C-Bus Toolkit
Other software / Other software solutions

Vendor: Schneider Electric

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote authenticated attacker can send a specially crafted HTTP request and read arbitrary files on the system, leading to remote code execution when processing config files.

Mitigation
Install update from vendor's website.

Vulnerable software versions

C-Bus Toolkit: 1.15.7


External links
http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-103-01


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.


Latest bulletins with this vulnerability