CVE-2020-11896

CriticalCVSS 10.0/10Last modified Jun 17, 2026

Description

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

Metrics

CVSS 3.1 10.0/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-119CWE-787

Affected software

No affected versions have been published.

Timeline

Published
Jun 17, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-1189710.0The Treck TCP/IP stack before 5.0.1.35 has an Out-of-Bounds Write via multiple malformed IPv6 packets.CVE-2020-118989.1The Treck TCP/IP stack before 6.0.1.66 improperly handles an IPv4/ICMPv4 Length Parameter Inconsistency, which might allow remote attackers CVE-2020-118995.4The Treck TCP/IP stack before 6.0.1.66 has an IPv6 Out-of-bounds Read.CVE-2020-11907.8An elevation of privilege vulnerability exists when the Windows State Repository Service improperly handles objects in memory. An attacker wCVE-2020-119008.2The Treck TCP/IP stack before 6.0.1.41 has an IPv4 tunneling Double Free.CVE-2020-119019.0The Treck TCP/IP stack before 6.0.1.66 allows Remote Code execution via a single invalid DNS response.CVE-2020-119027.3The Treck TCP/IP stack before 6.0.1.66 has an IPv6OverIPv4 tunneling Out-of-bounds Read.CVE-2020-119036.5The Treck TCP/IP stack before 6.0.1.28 has a DHCP Out-of-bounds Read.CVE-2020-119047.3The Treck TCP/IP stack before 6.0.1.66 has an Integer Overflow during Memory Allocation that causes an Out-of-Bounds Write.CVE-2020-119056.5The Treck TCP/IP stack before 6.0.1.66 has a DHCPv6 Out-of-bounds Read.CVE-2020-119066.3The Treck TCP/IP stack before 6.0.1.66 has an Ethernet Link Layer Integer Underflow.CVE-2020-119076.3The Treck TCP/IP stack before 6.0.1.66 improperly handles a Length Parameter Inconsistency in TCP.
CVE-2020-11896: Critical severity, CVSS 10.0 | Vulnix