CVE-2020-11896
The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.
The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.
- Record
CVE-2020-11896- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-119, CWE-787
- Updated
- 2026-11-02
CVE List No score
The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.
- Record
CVE-2020-11896- Updated
- 2026-11-02
EUVDEUVD-2020-4233 No score
The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.
- Record
EUVD-2020-4233- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hwgx-cxhm-g3q3 No score
The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.
The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.
- Record
GHSA-hwgx-cxhm-g3q3- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | 0xkol/ripple20-digi-connect-exploit | 2022-11-30 |
| PoC in GitHub | Fans0n-Fan/Treck20-Related | 2020-07-21 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-11896 is a critical vulnerability (CVSS 10.0) in Treck Tcp\/ip, published June 17, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 36.9%, the 98th percentile. No source names a fixed version.
References
kb.cert.org/vuls/id/257161
treck.com
jsof-tech.com/vulnerability-disclosure-policy
jsof-tech.com/ripple20
tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-treck-ip-stack-JyBQ5GyC
arubanetworks.com/assets/alert/ARUBA-PSA-2020-006.txt
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security.netapp.com/advisory/ntap-20200625-0006
cert-portal.siemens.com/productcert/pdf/ssa-631949.pdf
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
nvd.nist.gov/vuln/detail/CVE-2020-11896
github.com/advisories/GHSA-hwgx-cxhm-g3q3