CVE-2020-11898
The Treck TCP/IP stack before 6.0.1.66 improperly handles an IPv4/ICMPv4 Length Parameter...
CVE-2020-11898 is a critical vulnerability (CVSS 9.1) in Treck Tcp\/ip, published June 17, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 19.2%, the 97th percentile. No source names a fixed version.
- Severity
- 9.1 CriticalCVSS 3.1, NVD
- Exploit chance
- 19.2%EPSS, 97th percentile
- Exploitation
- None known1 public exploit
- Fixed in
- No fix listedNo source names one
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.
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
- None
- Availability
- High
Exploit likelihood
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | Ransc0rp1on/Ripple20 | 2026-06-15 |
What each source reports
NVD Score used
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.
- Record
CVE-2020-11898- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H - CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2020-11898- Updated
- 2026-11-02
EUVDEUVD-2020-4235No score
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.
- Record
EUVD-2020-4235- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8hhv-42hq-p4q9No score
The Treck TCP/IP stack before 6.0.1.66 improperly handles an IPv4/ICMPv4 Length Parameter...
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.
- Record
GHSA-8hhv-42hq-p4q9- Weakness
- CWE-200
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.