CVE-2020-27631

CRITICAL

Oryx CycloneTCP <1.9.6 - Info Disclosure

Title source: llm
STIX 2.1

Description

In Oryx CycloneTCP 1.9.6, TCP ISNs are improperly random.

References (3)

Scores

CVSS v3 9.8
EPSS 0.0018
EPSS Percentile 39.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-330
Status published
Products (1)
oryx-embedded/cyclonetcp 1.9.6
Published Oct 10, 2023
Tracked Since Feb 18, 2026