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CVE-2020-11911

The Treck TCP/IP stack before 6.0.1.66 has Improper ICMPv4 Access Control.

5.3 Medium

CVE-2020-11911 is a medium vulnerability (CVSS 5.3) in Treck Tcp\/ip, published June 17, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.15%, the 87th percentile. No source names a fixed version.

The Treck TCP/IP stack before 6.0.1.66 has Improper ICMPv4 Access Control.

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: None
Integrity: Low
Availability: None

Exploit likelihood

3.15%Up 0.9 points since Apr 14, 2021

What each source reports

NVD Score used 5.3

The Treck TCP/IP stack before 6.0.1.66 has Improper ICMPv4 Access Control.

Record: CVE-2020-11911
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:P/A:N
Weakness: CWE-732
Updated: 2026-11-02

CVE List No score

The Treck TCP/IP stack before 6.0.1.66 has Improper ICMPv4 Access Control.

Record: CVE-2020-11911
Updated: 2026-11-02

EUVDEUVD-2020-4248 No score

The Treck TCP/IP stack before 6.0.1.66 has Improper ICMPv4 Access Control.

Record: EUVD-2020-4248
Updated: 2026-11-03

GitHub AdvisoriesGHSA-xwf2-93hx-88xm No score

The Treck TCP/IP stack before 6.0.1.66 has Improper ICMPv4 Access Control.

The Treck TCP/IP stack before 6.0.1.66 has Improper ICMPv4 Access Control.

Record: GHSA-xwf2-93hx-88xm
Weakness: CWE-862
Updated: 2026-11-02

Affected products

treck tcp\/ip

History

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

References

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