(Pwn2Own) Phoenix Contact CHARX SEC-3100 Missing Encryption Authentication Bypass Vulnerability
Vulnerability Details
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of Phoenix Contact CHARX SEC-3100 devices. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the configuration of nginx. The issue results from a lack of encryption. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the user-app account.
Additional Details
Phoenix Contact has issued an update to correct this vulnerability. More details can be found at:
https://cert.vde.com/en/advisories/VDE-2024-019/
Disclosure Timeline
- 2024-02-21 - Vulnerability reported to vendor
- 2024-05-29 - Coordinated public release of advisory
- 2024-07-01 - Advisory Updated
Credit
Sina Kheirkhah (@SinSinology) of Summoning Team (@SummoningTeam)
