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 v4.0: 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/E:U/U:Green
CVE-ID: CVE-2019-5149
CWE-ID:
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: WAGO
Affected software:
WAGO PFC100 Controller
Wago PFC200 Controller
WAGO PFC100 Controller
Wago PFC200 Controller
Detailed vulnerability description
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.
How to mitigate CVE-2019-5149
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.