CVE-2021-27393 (GCVE-0-2021-27393)

Vulnerability from cvelistv5 – Published: 2021-04-22 20:42 – Updated: 2024-08-03 20:48
VLAI?
Summary
A vulnerability has been identified in Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2013.08), Nucleus Source Code (Versions including affected DNS modules). The DNS client does not properly randomize UDP port numbers of DNS requests. That could allow an attacker to poison the DNS cache or spoof DNS resolving.
Severity ?
No CVSS data available.
CWE
  • CWE-330 - Use of Insufficiently Random Values
Assigner
References
Impacted products
Vendor Product Version
Siemens Nucleus NET Affected: All versions
Create a notification for this product.
    Siemens Nucleus ReadyStart V3 Affected: All versions < V2013.08
Create a notification for this product.
    Siemens Nucleus Source Code Affected: Versions including affected DNS modules
Create a notification for this product.
Show details on NVD website
To clipboard 

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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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