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CVE-2021-27393
Published: Apr 22, 2021
Modified: Aug 3, 2024
PUBLISHED
Description
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.
| Vendor | Product | Versions |
|---|---|---|
Siemens | Nucleus NET | affected All versions |
Siemens | Nucleus ReadyStart V3 | affected All versions < V2013.08 |
Siemens | Nucleus Source Code | affected Versions including affected DNS modules |
Weaknesses (CWE)
References
https://cert-portal.siemens.com/productcert/pdf/ssa-201384.pdf
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