8.6

CVE-2021-20988: hilscher rcx_rtos

CVSS: 8.6v3.1HighModified
Published 13-05-2021Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2021-20988 is a high (CVSS 8.6) vulnerability in hilscher rcx_rtos. EPSS estimates a 0.99% chance of exploitation in the next 30 days, higher than 62.1% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.6/10
010
High · v3.1 (CVE.org)
EPSS score
0.99%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-05-2021
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.99%

Chance of exploitation in the next 30 days

Percentile

62%

Versus all other CVEs

30-day change

0.00 pp

From 0.99% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.99%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Pepperl-fuchs8 products
Pepperl+fuchs2 products
  • ethernet io modules ice1-16≥ ICE1-16DI-G60L-V1D, ≤ F10017 | ≥ ICE1-16DIO-G60L-C1-V1D, ≤ F10017 | ≥ ICE1-16DIO-G60L-V1D, ≤ F10017
  • ethernet io modules ice1-8≥ ICE1-8DI8DO-G60L-C1-V1D, ≤ F10017 | ≥ ICE1-8DI8DO-G60L-V1D, ≤ F10017 | ≥ ICE1-8IOL-G30L-V1D, ≤ F10017 | ≥ ICE1-8IOL-G60L-V1D, ≤ F10017 | ≥ ICE1-8IOL-S2-G60L-V1D, ≤ F10017
Hilscher1 product
  • rcx_rtos≥ unspecified, < V2.1.14.1 | < 2.1.14.1

3 vendors · 11 products

References

2 links