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5
CVSSv2

CVE-2021-25663

Published: 22/04/2021 Updated: 13/02/2024
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
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Vulnerability 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 malicious users to put this function into an infinite loop with crafted length values.

Vulnerability Trend

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siemens nucleus net

siemens nucleus source code -

siemens capital vstar -

siemens nucleus readystart

References

CWE-835https://cert-portal.siemens.com/productcert/pdf/ssa-248289.pdfhttps://us-cert.cisa.gov/ics/advisories/icsa-21-103-05https://cert-portal.siemens.com/productcert/html/ssa-248289.htmlhttps://nvd.nist.gov
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
NULL pointer dereferenceCVE-2023-52689CVE-2024-23803client sideCVE-2023-52696information disclosureCVE-2024-35843CVE-2024-27130CVE-2023-52697
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