Overview
The Treck TCP/IP stack contains an IPv6 out-of-bounds read vulnerability.
https://nvd.nist.gov/vuln/detail/CVE-2020-11899
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2020-11899 |
| Vendor / Product | Treck TCP/IP stack — IPv6 |
| NVD Published | 2020-06-17 |
| NVD Last Modified | 2025-11-07 |
| CVSS 3.1 Score | 5.4 |
| CVSS 3.1 Vector | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L |
| Severity | MEDIUM |
| CWE | CWE-125 |
| CISA KEV Added | 2022-03-03 |
| CISA KEV Deadline | 2022-03-17 |
| Known Ransomware Use | No |
CVSS 3.1 Breakdown
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low
Required Action
CISA BOD 22-01 Deadline: 2022-03-17.
Apply updates per vendor instructions.
Timeline
| Date | Event |
|---|---|
| 2022-03-03 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2022-03-17 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2020-11899 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |