VULNERABILITY INTELLIGENCE

CVE-2011-5009

CVSS score5 MEDIUM
EPSS probability10.39%
CISA KEVNot currently listed
Published2011-12-25
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P

Description

The CmpWebServer.dll module in the Control service in 3S CoDeSys 3.4 SP4 Patch 2 allows remote attackers to cause a denial of service (NULL pointer dereference) via (1) a crafted Content-Length in an HTTP POST or (2) an invalid HTTP request method.

Primary references