Zimbra Zero-Day Exploited to Target Brazilian Military via Malicious ICS Files

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...

CVE-2025-27915

An issue was discovered in Zimbra Collaboration ZCS 9.0 and 10.0 and 10.1. A stored cross-site scripting XSS vulnerability exists in the Classic Web Client due to insufficient sanitization of HTML content in ICS files. When a user views an e-mail message containing a malicious ICS entry, its...

PT-2025-11082

Name of the Vulnerable Software and Affected Versions Zimbra Collaboration Suite ZCS versions 9.0, 10.0, and 10.1 Zimbra Collaboration Suite versions 9.0.0 Patch 44, 10.0.13, and 10.1.5 and earlier Description Zimbra Collaboration Suite ZCS contains a stored cross-site scripting XSS flaw in the...

Delta Electronics DRASimuCAD ICS Parsing Out-of-Bounds Write Code Execution Vulnerability

Delta Electronics DRASimuCAD is a robot simulation integration platform developed by Delta Electronics. An out-of-bounds write vulnerability exists in the parsing of Delta Electronics DRASimuCAD ICS files, which can be exploited by an attacker to submit a specially crafted request for a file,...

PT-2024-17755 · Delta Electronics · Drasimucad

Name of the Vulnerable Software and Affected Versions: Delta Electronics DRASimuCAD affected versions not specified Description: This vulnerability allows remote attackers to execute arbitrary code on affected installations of Delta Electronics DRASimuCAD. User interaction is required to exploit...

CVE-2022-32739 OTRS version number is always in the exported ICS files

When Secure::DisableBanner system configuration has been disabled and agent shares his calendar via public URL, received ICS file contains OTRS release number...

Description of the security update for Outlook 2013: January 8, 2019

Description of the security update for Outlook 2013: January 8, 2019 Summary This security update resolves an information disclosure vulnerability that exists when Microsoft Outlook improperly handles certain types of messages. To learn more about the information disclosure vulnerability, see...