European govt email servers hacked using Roundcube zero-day
The Winter Vivern Russian hacking group has been exploiting a Roundcube Webmail zero-day since at least October 11 to attack European government entities and think tanks.
Winter Vivern exploits zero-day vulnerability in Roundcube Webmail servers
ESET Research discover campaigns by the Winter Vivern APT group that exploit a zero-day XSS vulnerability in the Roundcube Webmail server and target governmental entities and a think tank in Europe.