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CVE-2020-11901
The Treck TCP/IP stack before 6.0.1.66 allows Remote Code execution via a single invalid DNS response.
Critical9.0EPSS 21.6%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The Treck TCP/IP stack before 6.0.1.66 allows Remote Code execution via a single invalid DNS response.
Timeline
ID reserved
By mitre
- 59 days later
· 59 days later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.0 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 21.6% · top 2.4% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.0.
Weakness
Affected products
n/a
- affected n/a
References (8)
- https://www.kb.cert.org/vuls/id/257161/ (opens in a new tab)x_refsource_MISCx_transferred
- https://www.treck.com (opens in a new tab)x_refsource_MISCx_transferred
- https://jsof-tech.com/vulnerability-disclosure-policy/ (opens in a new tab)x_refsource_MISCx_transferred
- VU#257161 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- https://www.jsof-tech.com/ripple20/ (opens in a new tab)x_refsource_MISCx_transferred
- 20200617 Multiple Vulnerabilities in Treck IP Stack Affecting Cisco Products: June 2020 (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
- http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-006.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.dell.com/support/article/de-de/sln321836/dell-response-to-the-ripple20-vulnerabilities (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-11901)Record last updated .