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CVE-2020-11899

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

Published: Jun 17, 2020Updated: Nov 7, 2025 Sources: CVE List NVD BDU csafCWE-125
NVD MITRE
5.4CVSSMEDIUM
EPSS Score
18.4%
Top 3.1%
CISA KEV
Active Exploitation
Since Mar 3, 2022
Exploits
1 Known
Remediation
Patch Available

Description

Successful exploitation of these vulnerabilities may allow remote code execution or exposure of sensitive information.

CVSS Vector Breakdown

AV:AAC:LPR:NUI:NS:UC:NI:LA:L
Exploitability
AV:AAttack Vector
Adjacent
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-125

Affected Products

Treck TCP/IPTreck Inc.
Embedded
Networking Infrastructure / router-switch
ASR 5000Cisco Systems Inc.
On-premNetwork Device
Networking Infrastructure / router-switch
HP iLO 4HP Inc.
On-prem
Enterprise Software / itsm-monitoring
HP Integrated Lights-Out 5 (iLO 5)HP Inc.
On-prem
Enterprise Software / itsm-monitoring
HP Integrated Lights-Out 3 (iLO 3)HP Inc.
On-prem
Enterprise Software / itsm-monitoring
treck inc.commercialNetworking Infrastructureaka treck tcp/ip
cisco systems inc.commercialUSNetworking Infrastructureaka cisco systems, cisco
hp inc.commercialUSEnterprise Softwareaka hp
and 5 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Mar 3, 2022
Remediation due:Mar 17, 2022

Required action: Apply updates per vendor instructions.

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Workaround Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-006.txt
arubanetworks.com
https://security.netapp.com/advisory/ntap-20200625-0006/
security.netapp.com
https://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US&docId=hpesbhf04012en_us
support.hpe.com
and 56 more references View all →

Timeline

Published
Jun 17, 2020
Added to CISA KEV
Mar 3, 2022
Last Updated
Nov 7, 2025

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