AUGUST 4, 2026
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Case File

CVE-2021-20988

HIGH · CVSS 8.6 EPSS 0.99%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-05-13 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.6. It may lead to a denial-of-service condition.

CVE
CVE-2021-20988
Severity
HIGH
CVSS
8.6
EPSS
0.99%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)