CVE-2021-27393CWE-330

CVE-2021-27393: vulnerability in Siemens Nucleus NET

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3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 0.8%
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.
Affected products
Siemens · Nucleus NETSiemens · Nucleus ReadyStart V3Siemens · Nucleus Source Code
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