medium5.3
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 aff…
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Siemens | Nucleus Net | All versions |
| Siemens | Nucleus Readystart V3 | before 2013.08 |
| Siemens | Nucleus Source Code | All versions |