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
Weakness typeCWE-119Memory buffer bounds error
How to fix
Update
- hilscher rcx_rtos2.1.14.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| hilscher rcx_rtos | v < 2.1.14.1 | 2.1.14.1 |
| pepperl-fuchs ice1-16di-g60l-v1d_firmware | v ≤ f10017 | — |
| pepperl-fuchs ice1-16dio-g60l-c1-v1d_firmware | v ≤ f10017 | — |
| pepperl-fuchs ice1-16dio-g60l-v1d_firmware | v ≤ f10017 | — |
| pepperl-fuchs ice1-8di8do-g60l-c1-v1d_firmware | v ≤ f10017 | — |
| pepperl-fuchs ice1-8di8do-g60l-v1d_firmware | v ≤ f10017 | — |
| pepperl-fuchs ice1-8iol-g30l-v1d_firmware | v ≤ f10017 | — |
| pepperl-fuchs ice1-8iol-g60l-v1d_firmware | v ≤ f10017 | — |
| pepperl-fuchs ice1-8iol-s2-g60l-v1d_firmware | v ≤ f10017 | — |
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