CVE-2021-20988

High

Description

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.

SeverityHigh
CVSS8.6
Exploit probability—
ProductHilscher Rcx Rtos
PublishedMay 13, 2021
First seenMay 13, 2021

How to fix

Update
  • hilscher rcx_rtos2.1.14.1 or later

Affected products

ProductAffected versionsFixed in
hilscher rcx_rtosv < 2.1.14.12.1.14.1
pepperl-fuchs ice1-16di-g60l-v1d_firmwarev ≤ f10017—
pepperl-fuchs ice1-16dio-g60l-c1-v1d_firmwarev ≤ f10017—
pepperl-fuchs ice1-16dio-g60l-v1d_firmwarev ≤ f10017—
pepperl-fuchs ice1-8di8do-g60l-c1-v1d_firmwarev ≤ f10017—
pepperl-fuchs ice1-8di8do-g60l-v1d_firmwarev ≤ f10017—
pepperl-fuchs ice1-8iol-g30l-v1d_firmwarev ≤ f10017—
pepperl-fuchs ice1-8iol-g60l-v1d_firmwarev ≤ f10017—
pepperl-fuchs ice1-8iol-s2-g60l-v1d_firmwarev ≤ f10017—

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CVE-2021-20988 · Hilscher Rcx Rtos · Dark Radar