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Critical severity9.8NVD Advisory· Published Oct 10, 2023· Updated Jun 17, 2026

CVE-2020-27631

CVE-2020-27631

Description

In Oryx CycloneTCP 1.9.6, TCP ISNs are improperly random.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

4

Oryx/CycloneTCP
cpe:2.3:a:oryx-embedded:cyclonetcp:1.9.6:*:*:*:*:*:*:*
Oryx/CycloneTCPdescription
CycloneTCP/CycloneTCPllm-create
Range: = 1.9.6
Forescout/Numberjackllm-create

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

0

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