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CVE-2020-11896

CriticalPublished

The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

Published: Jun 17, 2020
Updated: Aug 4, 2024
Assigning CNA: mitre
Evidence observed: Aug 8, 2026

Primary CVSS

10.0/ 10Critical

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS probability estimate

36.9%

Moderate · next 30 days

Percentile: 98.5%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

Sources

ripple20-digi-connect-exploitExploit
RCE exploit for CVE-2020-11896 (Ripple20 IP-in-IP Heap Overflow Vulnerability) targeting Digi Connect ME 9210
Treck20-RelatedPoC
PoC for CVE-2020-11896 Treck TCP/IP stack and device asset investigation

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