CVE-2020-11907 json
The Treck TCP/IP stack before 6.0.1.66 improperly handles a Length Parameter Inconsistency in TCP.
published 2020-06-17 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-4244
- cvss
- 6.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.0%
- EPSS 2.0% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
The Treck TCP/IP stack before 6.0.1.66 improperly handles a Length Parameter Inconsistency in TCP.
Patch / fix
- treck tcp/ip 6.0.1.66
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-20-168-01 updated cvss 5.0
Treck TCP/IP (Update I)
-
Treck Inc. Treck Inc TCP/IP IPv4, IPv6, UDP, DNSaffected: mitigation “Treck recommends users apply the latest version of the affected products:” rockwellautomation.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Exploit prediction
1.96% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- jsof-tech.com https://www.jsof-tech.com/ripple20/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.3 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| NVD | 2.0 | 5.8 | AV:A/AC:L/Au:N/C:P/I:P/A:P |
References
-
jsof-tech.com
/ripple20/
exploit, third-party-advisory
-
tools.cisco.com
/security/center/content/CiscoSecurityAdvisory/cisco-sa-treck-ip-stack-JyBQ5GyC
vendor-advisory, third-party-advisory
-
treck.com
product, vendor-advisory
-
kb.cert.org
/vuls/id/257161/
mitigation, third-party-advisory, us-government-resource
-
jsof-tech.com
/vulnerability-disclosure-policy/
third-party-advisory
-
kb.cert.org
/vuls/id/257161
third-party-advisory
- arubanetworks.com /assets/alert/ARUBA-PSA-2020-006.txt
- security.netapp.com /advisory/ntap-20200625-0006/
- support.hpe.com /hpesc/public/docDisplay?docLocale=en_US&docId=hpesbhf04012en_us
- dell.com /support/article/de-de/sln321836/dell-response-to-the-ripple20-vulnerabilities
Sources
- CVE List CVE-2020-11907
- NVD CVE-2020-11907
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.