CVE-2021-27393

published 2021-04-22

CVE-2021-27393: A vulnerability has been identified in Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2013.08), Nucleus Source Code (Versions including…

medium 5.3 CVSS 3.1

AV N AC L PR N UI N S U C N I L A N

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

4 ranges

Vendor	Product	Version range	Fixed in
siemens	nucleus_net	—	—
siemens	nucleus_readystart_v3	< 2013.08	2013.08
siemens	nucleus_readystart_v3	—	—
siemens	nucleus_source_code	—	—

CWE-330