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CVE-2020-11911The Treck TCP/IP stack before 6.0.1.66 has Improper ICMPv4 Access Control.
- 5.3MediumCVSS base score
- 3.1%Exploitation in 30 daysEPSS · top 12% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The Treck TCP/IP stack before 6.0.1.66 has Improper ICMPv4 Access Control.
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 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
- EPSS (exploitation in 30 days)
- 3.1% · top 12% of all CVEs (13 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Affected products
n/a
- affected n/a
References
References10
- 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://security.netapp.com/advisory/ntap-20200625-0006/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US&docId=hpesbhf04012en_us (opens in a new tab)x_refsource_MISCx_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)
- EUVD EUVD-2020-4248 (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://cveledger.app/cve/CVE-2020-11911)Record last updated .