CVE-2020-11898

The Treck TCP/IP stack before 6.0.1.66 improperly handles an IPv4/ICMPv4 Length Parameter...

9.1 CriticalPublic exploit

CVE-2020-11898 is a critical vulnerability (CVSS 9.1) in Treck Tcp\/ip, published June 17, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 18.9%, the 97th percentile. No source names a fixed version.

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: High

Exploit likelihood

18.9%Up 16.0 points since Apr 14, 2021

What each source reports

NVD Score used 9.1

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.

Record: CVE-2020-11898
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS 2.0: 6.4 MediumAV:N/AC:L/Au:N/C:P/I:N/A:P
Weakness: CWE-119
Updated: 2026-11-02

CVE List No score

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.

Record: CVE-2020-11898
Updated: 2026-11-02

EUVDEUVD-2020-4235 No score

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.

Record: EUVD-2020-4235
Updated: 2026-11-03

GitHub AdvisoriesGHSA-8hhv-42hq-p4q9 No score

The Treck TCP/IP stack before 6.0.1.66 improperly handles an IPv4/ICMPv4 Length Parameter...

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.

Record: GHSA-8hhv-42hq-p4q9
Weakness: CWE-200
Updated: 2026-11-02

Affected products

treck tcp\/ip

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	Ransc0rp1on/Ripple20	2026-06-15

History

History
When	Changed	Sources
2026-11-03	aliases	EUVD
2026-11-02	created	CVE List, GitHub Advisories, NVD, PoC in GitHub

References

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