CVE-2020-11898

Name: CVE-2020-11898
Creator: NVD / NIST
Published: 2020-06-17T11:15:10.147+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 18.73%

Last modified Jun 17, 2026

CVE-2020-11898 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. The Treck TCP/IP stack before 6.0.1.66 improperly handles an IPv4/ICMPv4 Length Parameter Inconsistency, which might allow remote attackers to trigger an information leak.. EPSS estimates a 18.73% chance of exploitation in the next 30 days.

Description

The Treck TCP/IP stack before 6.0.1.66 improperly handles an IPv4/ICMPv4 Length Parameter Inconsistency, which might allow remote attackers to trigger an information leak.

Metrics

CVSS 3.1

9.1/10

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

EPSS Probability

18.73%

96.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Treck	Tcp\/Ip	< 6.0.1.66

References

http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-006.txt
https://jsof-tech.com/vulnerability-disclosure-policy/Third Party Advisory
https://security.netapp.com/advisory/ntap-20200625-0006/
https://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US&docId=hpesbhf04012en_us
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-treck-ip-stack-JyBQ5GyCThird Party Advisory
https://www.dell.com/support/article/de-de/sln321836/dell-response-to-the-ripple20-vulnerabilities
https://www.jsof-tech.com/ripple20/Exploit, Third Party Advisory
https://www.kb.cert.org/vuls/id/257161
https://www.kb.cert.org/vuls/id/257161/Mitigation, Third Party Advisory, US Government Resource
https://www.treck.comProduct, Vendor Advisory
http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-006.txt
https://jsof-tech.com/vulnerability-disclosure-policy/Third Party Advisory
https://security.netapp.com/advisory/ntap-20200625-0006/
https://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US&docId=hpesbhf04012en_us
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-treck-ip-stack-JyBQ5GyCThird Party Advisory
https://www.dell.com/support/article/de-de/sln321836/dell-response-to-the-ripple20-vulnerabilities
https://www.jsof-tech.com/ripple20/Exploit, Third Party Advisory
https://www.kb.cert.org/vuls/id/257161
https://www.kb.cert.org/vuls/id/257161/Mitigation, Third Party Advisory, US Government Resource
https://www.treck.comProduct, Vendor Advisory

Timeline

Published: Jun 17, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-11898?

The Treck TCP/IP stack before 6.0.1.66 improperly handles an IPv4/ICMPv4 Length Parameter Inconsistency, which might allow remote attackers to trigger an information leak.

How severe is CVE-2020-11898?

CVE-2020-11898 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 18.73% probability of exploitation in the next 30 days.

How do I fix CVE-2020-11898?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-11898?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST