CVE-2020-11899
MEDIUMCISA KEVEPSS 97th pctlDescription
The Treck TCP/IP stack before 6.0.1.66 has an IPv6 Out-of-bounds Read.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Exploit Intelligence
Very high risk: more likely to be exploited than 97% of all known CVEs.
Treck TCP/IP stack Out-of-Bounds Read Vulnerability
The Treck TCP/IP stack contains an IPv6 out-of-bounds read vulnerability.
Apply updates per vendor instructions.
Remediation due: 2022-03-17
References
- http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-006.txt
- https://cwe.mitre.org/data/definitions/125.html
- https://jsof-tech.com/vulnerability-disclosure-policy/
- https://security.netapp.com/advisory/ntap-20200625-0006/
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-treck-ip-stack-JyBQ5GyC
- https://www.dell.com/support/article/de-de/sln321836/dell-response-to-the-ripple20-vulnerabilities
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00295.html
- https://www.jsof-tech.com/ripple20/
- https://www.kb.cert.org/vuls/id/257161
- https://www.kb.cert.org/vuls/id/257161/
- https://www.treck.com
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-11899
Find and fix vulnerabilities across your fleet
TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.
Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-07.