Critical severity9.1NVD Advisory· Published Oct 10, 2023· Updated Jun 17, 2026
CVE-2020-27633
CVE-2020-27633
Description
In FNET 4.6.3, TCP ISNs are improperly random.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- FNET/FNETdescription
Patches
Vulnerability mechanics
References
3- www.cisa.gov/news-events/ics-advisories/icsa-21-042-01nvdThird Party AdvisoryUS Government Resource
- www.forescout.comnvdThird Party Advisory
- www.forescout.com/resources/numberjack-weak-isn-generation-in-embedded-tcpip-stacks/nvdThird Party Advisory
News mentions
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