CVEvulnerability
CVE-2020-27631
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2023-10-10
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-330
Description
In Oryx CycloneTCP 1.9.6, TCP ISNs are improperly random.
Affected configurations
• oryx-embedded cyclonetcp 1.9.6
Related
Weakness · CWE (1)
- CWE-330 Use of Insufficiently Random Values weakness
References
- https://www.cisa.gov/news-events/ics-advisories/icsa-21-042-01 Third Party Advisory, US Government Resource
- https://www.forescout.com Third Party Advisory
- https://www.forescout.com/resources/numberjack-weak-isn-generation-in-embedded-tcpip-stacks/ Third Party Advisory
- https://www.cisa.gov/news-events/ics-advisories/icsa-21-042-01 Third Party Advisory, US Government Resource
- https://www.forescout.com Third Party Advisory
- https://www.forescout.com/resources/numberjack-weak-isn-generation-in-embedded-tcpip-stacks/ Third Party Advisory