CVE-2020-11900
CVE-2020-11900 is a high-severity vulnerability in Treck Tcp/ip with a CVSS 3.x base score of 8.2. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-415.
Key facts
- Severity: High (CVSS 3.x base score 8.2)
- CVSS v2: 6.4
- EPSS exploit prediction: 13% (96th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-415
- Affected product: Treck Tcp/ip
- Published:
- Last modified:
Description
The Treck TCP/IP stack before 6.0.1.41 has an IPv4 tunneling Double Free.
Frequently asked questions
- What is CVE-2020-11900?
- The Treck TCP/IP stack before 6.0.1.41 has an IPv4 tunneling Double Free.
- How severe is CVE-2020-11900?
- CVE-2020-11900 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.
- Is CVE-2020-11900 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-11900?
- CVE-2020-11900 affects Treck Tcp/ip. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-11900?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-11900 published?
- CVE-2020-11900 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.intel.com/content/www/us/en/security-center/advisory/intel-sa-00295.html
- 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-2020-11904 — High (CVSS 7.3): The Treck TCP/IP stack before 6.0.1.66 has an Integer Overflow during Memory Allocation that causes an Out-of-Bounds…
All CVEs affecting Treck Tcp/ip →
Other CWE-415 (Double Free) vulnerabilities
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- CVE-2020-37239 — Critical (CVSS 9.8): libbabl 0.1.62 contains a broken double free detection vulnerability that allows attackers to bypass memory safety…
- CVE-2026-43011 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: net/x25: Fix potential double free of skb When…
- CVE-2026-31609 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid double-free in…
- CVE-2026-31608 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: server: avoid double-free in…