#Zimbra
6 stories taggedZimbra.

Zimbra mail server flaw exploited in the wild, Microsoft warns after weeks of quiet attacks
Microsoft Threat Intelligence says attackers used a specially crafted email to hijack Zimbra Collaboration Suite mail servers, drop web shells and steal mailbox data, before the flaw was patched.

Poland's CERT warns of active attacks on critical Zimbra email flaw
CERT Polska says attackers are exploiting CVE-2026-73570 in Zimbra Collaboration Suite. Zimbra patched the bug in version 10.1.20 on 20 July 2026.

Three Security Stories You May Have Missed: Industrial Switches, Russian Email Spying, and a Rail Ransomware Shakedown
Flaws in Siemens industrial network hardware, a Russian espionage campaign targeting Zimbra webmail servers, and a ransomware extortion attempt against Swiss train maker Stadler Rail.

Russian Hackers Are Reading Your Email Just by Sending You One: Zimbra Zero-Day Explained
A Kremlin-linked crew tracked as LAUNDRY BEAR is exploiting CVE-2025-66376 in Zimbra webmail to steal 90 days of email the moment a victim opens a booby-trapped message.

Zimbra Patches Six Security Flaws, Including a Bug That Lets Strangers Run Commands on Your Email Server
The business email platform Zimbra has released a batch of fixes covering a serious command-injection flaw and five other vulnerabilities. No attacks in the wild have been confirmed, but the company is urging every customer to update immediately.

Zimbra Patches Critical Webmail Flaw That Lets Booby-Trapped Emails Run Code
A stored cross-site scripting bug in Zimbra's Classic Web Client can hijack a user's session the moment a rigged email is opened.