CVE-2021-37199

Name of the Vulnerable Software and Affected Versions SINUMERIK 808D (All versions) SINUMERIK 828D versions prior to V4.95

Description A vulnerability has been identified where affected devices do not process certain specially crafted packets sent to port 102/tcp correctly. This could allow an attacker to cause a denial-of-service in the device.

Recommendations For SINUMERIK 808D, at the moment, there is no information about a newer version that contains a fix for this vulnerability. For SINUMERIK 828D versions prior to V4.95, update to version V4.95 or later to resolve the issue. As a temporary workaround, consider restricting access to port 102/tcp to minimize the risk of exploitation.