Zimbra Zero-Day Exploited to Target Brazilian Military via Malicious ICS Files
Oct 06, 2025Ravie LakshmananEmail Security / Zero-Day A now patched security vulnerability in Zimbra Collaboration was exploited as a zero-day earlier this year in cyber attacks targeting the Brazilian military. Tracked as CVE-2025-27915 (CVSS score: 5.4), the vulnerability is a stored cross-site scripting (XSS) vulnerability in the Classic Web Client that arises as a result…

