CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 5.3. See the original NVD description below for full technical details.
CVE
CVE-2021-27393
Severity
MEDIUM
CVSS
5.3
EPSS
0.75%
Original NVD 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.
Related CVEs
Other vulnerabilities affecting the same vendor(s)