critical9.1
CVE-2020-27633
In FNET 4.6.3, TCP ISNs are improperly random.
Impact
In FNET 4.6.3, TCP ISNs are improperly random.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Butok | Fnet | Version 4.6.3 |
Weakness classification
References
- NVD record
- CVE.org record
- https://www.cisa.gov/news-events/ics-advisories/icsa-21-042-01
- https://www.forescout.com
- https://www.forescout.com/resources/numberjack-weak-isn-generation-in-embedded-tcpip-stacks/
- https://www.cisa.gov/news-events/ics-advisories/icsa-21-042-01
- https://www.forescout.com
- https://www.forescout.com/resources/numberjack-weak-isn-generation-in-embedded-tcpip-stacks/