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Vulnerabilities / CVE-2020-27631

Unscored CVE-2020-27631 EUVD-2020-20138GHSA-gvwh-h9wm-jvg4

In Oryx CycloneTCP 1.9.6, TCP ISNs are improperly random.

Published Oct 10, 2023 · Updated Sep 19, 2024 · Assigned by mitre

Description

Advisories 2

WID-SEC-2023-1987 TCP/IP Stack: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 7, 2023
ICSA-21-042-01 Multiple Embedded TCP/IP Stacks (Update B) CISA ICS & IT advisories · Nov 11, 2021

References

https://www.forescout.com
https://www.cisa.gov/news-events/ics-advisories/icsa-21-042-01
https://www.forescout.com/resources/numberjack-weak-isn-generation-in-embedded-tcpip-stacks/

CVSS

n/a

EPSS exploit probability (30d)

1.1%

Higher than 65.7% of all scored CVEs

Sources: CVE List (cvelistV5); ENISA EU Vulnerability Database section →; BSI CERT-Bund (WID) section →; CISA ICS & IT advisories section →

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