CVE-2020-27630: silabs uc/tcp-ip – CVSS 9.8 · Watchpost

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CVE-2020-27630

심각 9.8CVE-2020-27630 · Published 10/10/2023 · updated 17/06/2026

요약

CVE-2020-27630은(는) uc/tcp-ip (silabs)에 영향을 주는 심각 (CVSS 9.8) 취약점입니다.
향후 30일 내 악용 확률(EPSS): 1.1%, 전체 취약점의 65.2%보다 높음.
아직 패치 버전 정보가 없습니다. 참고 자료의 공급업체 권고를 확인하세요.

Package	Affected versions	Patched versions
uc/tcp-ip silabs	`= 3.6.0`	No fix yet

Description

In Silicon Labs uC/TCP-IP 3.6.0, TCP ISNs are improperly random.

References

cisa.gov/news-events/ics-advisories/icsa-21-042-01 · Third Party Advisory
forescout.com · Third Party Advisory
forescout.com/resources/numberjack-weak-isn-generation-in-embedded-tcpip-stacks · Third Party Advisory

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