Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2020-11899

CVE-2020-11899MEDIUM

n/a n/a — Treck TCP/IP stack IPv6

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   A   L   N   N  U  N  L  L    5.4   .1842   97.2   YES

AFFECTED
  Product  Versions  Fixed
  n/a      n/a –     —

TIMELINE
  Apr 19  Reserved by mitre
  Jun 17  Published (CNA: mitre)
  Mar 3   Added to CISA KEV, remediation due 2022-03-17

CWE-125 · CNA: mitre · CVSS v3.1 · 12 references · KEV due March 17, 2022

Description

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

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
April 19, 2020	Reserved	Reserved by mitre
June 17, 2020	Published	Published (CNA: mitre)
March 3, 2022	KEV ADDED	Added to CISA KEV, remediation due 2022-03-17

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	n/a	—	n/a	—

Weaknesses

CWE-125

References (12)

http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-006.txt [x_refsource_CONFIRM]
https://cwe.mitre.org/data/definitions/125.html [x_refsource_MISC]
https://jsof-tech.com/vulnerability-disclosure-policy/ [x_refsource_MISC]
https://security.netapp.com/advisory/ntap-20200625-0006/ [x_refsource_CONFIRM]
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-treck-ip-stack-JyBQ5GyC [vendor-advisory, x_refsource_CISCO]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-11899 [government-resource]
https://www.dell.com/support/article/de-de/sln321836/dell-response-to-the-ripple20-vulnerabilities [x_refsource_MISC]
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00295.html [x_refsource_CONFIRM]
https://www.jsof-tech.com/ripple20/ [x_refsource_MISC]
https://www.kb.cert.org/vuls/id/257161 [third-party-advisory, x_refsource_CERT-VN]
https://www.kb.cert.org/vuls/id/257161/ [x_refsource_MISC]
https://www.treck.com [x_refsource_MISC]

Authoritative record: CVE-2020-11899 at cve.org

Weaknesses: CWE-125

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2020-11899 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.