CVE-2020-11898
CVE-2020-11898 is a critical-severity vulnerability in Treck Tcp/ip with a CVSS 3.x base score of 9.1. Its EPSS exploit-prediction score of 19% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Critical (CVSS 3.x base score 9.1)
- CVSS v2: 6.4
- EPSS exploit prediction: 19% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Treck Tcp/ip
- Published:
- Last modified:
Description
The Treck TCP/IP stack before 6.0.1.66 improperly handles an IPv4/ICMPv4 Length Parameter Inconsistency, which might allow remote attackers to trigger an information leak.
Frequently asked questions
- What is CVE-2020-11898?
- The Treck TCP/IP stack before 6.0.1.66 improperly handles an IPv4/ICMPv4 Length Parameter Inconsistency, which might allow remote attackers to trigger an information leak.
- How severe is CVE-2020-11898?
- CVE-2020-11898 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.
- Is CVE-2020-11898 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-11898?
- CVE-2020-11898 affects Treck Tcp/ip. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-11898?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2020-11898 published?
- CVE-2020-11898 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-2020-11901 — 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.
- 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 →
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- 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.