What’s Vulnerable › Vulnerabilities
CVE-2020-27636
- Severity: critical (CVSS 9.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.9% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2023-10-10 · updated 2026-06-17
- Weakness: CWE-330
Description
In Microchip MPLAB Net 3.6.1, TCP ISNs are improperly random.
Affected products
References
- 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/
Get alerted when CVE-2020-27636 or the next vulnerability affects your stack