Insufficient Resource Pool in WAGO PFC100 Controller and Wago PFC200 Controller - CVE-2019-5149

 

Insufficient Resource Pool in WAGO PFC100 Controller and Wago PFC200 Controller - CVE-2019-5149

Published: March 20, 2020


Vulnerability identifier: #VU26274
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-5149
CWE-ID:
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists within the Web-Based Management (WBM) due to the default configuration of the FastCGI module appears to limit the number of concurrent php-cgi processes to two. A remote attacker can trigger resource exhaustion and cause a denial of service condition on the target webserver. 


Affected software

WAGO PFC100 Controller
Wago PFC200 Controller

How to mitigate CVE-2019-5149

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.


External References

Related Security Bulletins