CVE-2020-11906
CVE-2020-11906 is a medium-severity vulnerability in Treck Tcp/ip with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-191.
Key facts
- Severity: Medium (CVSS 3.x base score 6.3)
- CVSS v2: 5.8
- EPSS exploit prediction: 2% (78th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-191
- Affected product: Treck Tcp/ip
- Published:
- Last modified:
Description
The Treck TCP/IP stack before 6.0.1.66 has an Ethernet Link Layer Integer Underflow.
Frequently asked questions
- What is CVE-2020-11906?
- The Treck TCP/IP stack before 6.0.1.66 has an Ethernet Link Layer Integer Underflow.
- How severe is CVE-2020-11906?
- CVE-2020-11906 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2020-11906 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-11906?
- CVE-2020-11906 affects Treck Tcp/ip. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-11906?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-11906 published?
- CVE-2020-11906 was published on 2020-06-17 and last updated on 2026-06-17.
References
- http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-006.txt
- https://jsof-tech.com/vulnerability-disclosure-policy/
- https://security.netapp.com/advisory/ntap-20200625-0006/
- https://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US&docId=hpesbhf04012en_us
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-treck-ip-stack-JyBQ5GyC
- https://www.dell.com/support/article/de-de/sln321836/dell-response-to-the-ripple20-vulnerabilities
- https://www.jsof-tech.com/ripple20/
- https://www.kb.cert.org/vuls/id/257161
- https://www.kb.cert.org/vuls/id/257161/
- https://www.treck.com
Affected products (1)
- cpe:2.3:a:treck:tcp\/ip:*:*:*:*:*:*:*:*
More vulnerabilities in Treck Tcp/ip
- CVE-2020-25066 — Critical (CVSS 10.0): A heap-based buffer overflow in the Treck HTTP Server component before 6.0.1.68 allows remote attackers to cause a…
- CVE-2020-11897 — Critical (CVSS 10.0): The Treck TCP/IP stack before 5.0.1.35 has an Out-of-Bounds Write via multiple malformed IPv6 packets.
- CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.
- CVE-2020-11898 — Critical (CVSS 9.1): The Treck TCP/IP stack before 6.0.1.66 improperly handles an IPv4/ICMPv4 Length Parameter Inconsistency, which might…
- CVE-2020-11901 — Critical (CVSS 9.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code execution via a single invalid DNS response.
- CVE-2020-11900 — High (CVSS 8.2): The Treck TCP/IP stack before 6.0.1.41 has an IPv4 tunneling Double Free.
All CVEs affecting Treck Tcp/ip →
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