CVE-2020-27636

CriticalCVSS 9.1/10Last modified Jun 17, 2026

Description

In Microchip MPLAB Net 3.6.1, TCP ISNs are improperly random.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-330

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://www.cisa.gov/news-events/ics-advisories/icsa-21-042-01Third Party Advisory, US Government Resource
https://www.forescout.comThird 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-21-042-01Third Party Advisory, US Government Resource
https://www.forescout.comThird Party Advisory
https://www.forescout.com/resources/numberjack-weak-isn-generation-in-embedded-tcpip-stacks/Third Party Advisory

Timeline

Published: Oct 10, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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