CVE-2021-20988highCWE-119

CVE-2021-20988: high-severity vulnerability in Hilscher rcX RTOS

Hilscher rcX RTOS: Wrong handling of the UDP checksum

Published · Updated

Follow this CVE+ Monitor rcX RTOS+ Monitor Ethernet IO Modules ICE1-16

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.6epss 1.0%
In Hilscher rcX RTOS versions prios to V2.1.14.1 the actual UDP packet length is not verified against the length indicated by the packet. This may lead to a denial of service of the affected device.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Affected products
Hilscher · rcX RTOSPepperl+Fuchs · Ethernet IO Modules ICE1-16Pepperl+Fuchs · Ethernet IO Modules ICE1-8