CVE-2020-11899
CISA KEVPublished March 3, 2022 · Updated April 3, 2026
high
Official Description+
The Treck TCP/IP stack contains an IPv6 out-of-bounds read vulnerability.
Affected Products
| Vendor | Product |
|---|---|
| Treck TCP/IP stack | IPv6 |
Patch Status
Patch by 2022-03-17
Recommended Actions
- Check if your systems use any of the affected products listed above.
- Apply vendor patches immediately if available.
- This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
- Monitor vendor advisories for updates and additional mitigations.
- Review logs for indicators of compromise related to CVE-2020-11899.