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CVE-2021-25663

A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in V2303, V2017.02.4, V4.1.0
None on Exploit-DB, Metasploit or GitHub

Summary

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.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Siemens Capital Embedded AR Classic 431-422

    All versions

  • Siemens Capital Embedded AR Classic R20-11

    fixed in V2303

  • Siemens Nucleus NET

    All versions

  • Siemens Nucleus ReadyStart V3

    fixed in V2017.02.4

  • Siemens Nucleus ReadyStart V4

    fixed in V4.1.0

  • Siemens Nucleus Source Code

    All versions

References 3

cert-portal.siemens.com

us-cert.cisa.gov