CYBERSECURITYTRACKER
Permanent story citation

CISA orders urgent patching of actively exploited Zimbra flaw

This page keeps the story as Cybersecurity Tracker first published it. If the tracker later corrects it, the correction appears below the original and never replaces it.

Back to newsStory 4901

As cited

Copy frozen at (site build).

vulnerabilities

CISA orders urgent patching of actively exploited Zimbra flaw

The Cybersecurity and Infrastructure Security Agency (CISA) has issued a directive requiring U.S. federal agencies to patch an actively exploited vulnerability in Zimbra Collaboration Suite (ZCS) within three days. The flaw is currently being exploited in the wild, elevating the urgency of remediation across government networks.

Why it matters: U.S. federal agencies running ZCS must prioritize this patch immediately; organizations using Zimbra should assess their exposure and apply fixes to prevent compromise of email and collaboration systems.

Source published
First seen by Cybersecurity Tracker

Source attribution

Correction

Correction recorded as of .

vulnerabilities

CISA orders urgent patching of actively exploited Zimbra flaw

No summary had been written when this copy was frozen.

First seen by Cybersecurity Tracker

Source attribution

Correction

Correction recorded as of .

vulnerabilities

CISA orders urgent patching of actively exploited Zimbra flaw

CISA has directed U.S. federal agencies to apply patches for an actively exploited vulnerability in Zimbra Collaboration Suite within three days. The vulnerability allows attackers to compromise affected systems, prompting the agency to urge immediate remediation. Agencies must prioritize the update to mitigate ongoing threat activity.

Why it matters: U.S. government agencies running Zimbra must patch the flaw within three days to prevent active exploitation and potential compromise.

Source published
First seen by Cybersecurity Tracker

Source attribution

Glossary