Schneider Electric C-Bus Toolkit Missing Authentication Vulnerability
Vulnerability Details
This vulnerability allows remote attackers to bypass authentication on affected installations of Schneider Electric C-Bus Toolkit. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the C-Gate 2 Service, which listens on TCP port 20023. A crafted webpage can be used to enable remote access. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of SYSTEM.
Additional Details
Schneider Electric has issued an update to correct this vulnerability. More details can be found at:
https://us-cert.cisa.gov/ics/advisories/icsa-21-194-01
Disclosure Timeline
- 2021-03-18 - Vulnerability reported to vendor
- 2021-07-19 - Coordinated public release of advisory
Credit
rgod
