By Johannes B. Ullrich, Ph.D. Strange Goings on With Port 37
https://isc.sans.edu/forums/diary/Strange+goings+on+with+port+37/27496/
QNAP Video Station RCE Vulnerability
https://www.qnap.com/de-de/security-advisory/qsa-21-21
Updated GitHub Policy
https://github.blog/2021-06-04-updates-to-our-policies-regarding-exploits-malware-and-vulnerability-research/
Cisco WebEx Vulnerability
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-player-kOf8zVT
VMWare vCenter Server Vulnerability Actively Exploited
https://thehackernews.com/2021/06/alert-critical-rce-bug-in-vmware.html
More Here