Security Advisory

CVE-2021-25663

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-04-22 20:42:20

Last updated 2025-03-11 09:47:33

Assigner siemens

State PUBLISHED

Description

A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus ReadyStart V4 (All versions < V4.1.0), Nucleus Source Code (All versions including affected IPv6 stack). The function that processes IPv6 headers does not check the lengths of extension header options, allowing attackers to put this function into an infinite loop with crafted length values.

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