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API
CVE-2020-11899
Severity
MEDIUM
CVSS
5.4
EPSS
0.18564
Risk score
53.1
CISA KEV
Yes
PoC
No
Published
2020-06-17
Modified
2025-10-21
First seen
2026-08-07
Aliases
EUVD-2020-4236, GHSA-6R3W-C7H6-WFHG
Products
Treck TCP/IP stack:IPv6, n/a:n/a n/a
Sources
euvd
EUVD-2020-4236
cisa.gov
CVE-2020-11899
Description
The Treck TCP/IP stack before 6.0.1.66 has an IPv6 Out-of-bounds Read.
References
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
https://nvd.nist.gov/vuln/detail/CVE-2020-11899
https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-4236
https://cwe.mitre.org/data/definitions/125.html
https://www.kb.cert.org/vuls/id/257161/
https://www.treck.com
https://jsof-tech.com/vulnerability-disclosure-policy/
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00295.html
https://www.kb.cert.org/vuls/id/257161
https://www.jsof-tech.com/ripple20/
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-treck-ip-stack-JyBQ5GyC
http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-006.txt
https://security.netapp.com/advisory/ntap-20200625-0006/
https://www.dell.com/support/article/de-de/sln321836/dell-response-to-the-ripple20-vulnerabilities