https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-06T18:58:40.772688+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/cve-2021-27393 CVE-2021-27393 2026-10-06T18:58:40.790162+00:00

Affected: Siemens Nucleus NET, Siemens Nucleus ReadyStart V3, Siemens Nucleus Source Code

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.