CVE-2020-11899

MediumCVSS 5.4/10Known exploited (CISA KEV)Last modified Jun 17, 2026

Description

The Treck TCP/IP stack before 6.0.1.66 has an IPv6 Out-of-bounds Read.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Weakness enumeration

CWE-125

Affected software

No affected versions have been published.

Timeline

Published
Jun 17, 2020
Last modified
Jun 17, 2026
Added to CISA KEV
Mar 3, 2022
NVD status
Analyzed

Related CVEs from 2020

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-2020-119084.3The Treck TCP/IP stack before 4.7.1.27 mishandles '\0' termination in DHCP.CVE-2020-119095.3The Treck TCP/IP stack before 6.0.1.66 has an IPv4 Integer Underflow.CVE-2020-11917.8An elevation of privilege vulnerability exists when the Windows State Repository Service improperly handles objects in memory. An attacker w
CVE-2020-11899: Medium severity, CVSS 5.4 | Vulnix