Critical

Zimbra 10.1.20 patches multiple security issues, including a critical command injection bug

Security Affairs

July 21, 2026 at 6:25 PM

Overview

Zimbra has released version 10.1.20 to address nine security vulnerabilities, including a significant command injection flaw in its SNMP monitoring feature. This critical vulnerability allows attackers to execute arbitrary commands on systems where SNMP notifications are enabled, posing a serious risk to affected users. Organizations using Zimbra should prioritize updating to this latest version to mitigate the risk of exploitation. The patch not only fixes this critical issue but also addresses other security flaws that could potentially be leveraged by malicious actors. Keeping software up to date is essential to maintaining security and protecting sensitive data.

Key Takeaways

Affected Systems: Zimbra version 10.1.20 and earlier versions with SNMP notifications enabled
Action Required: Update to Zimbra version 10.
Timeline: Newly disclosed

Original Article Summary

Zimbra patched nine flaws in version 10.1.20, including a critical SNMP monitoring command injection issue enabling arbitrary command execution. Zimbra released version 10.1.20 to fix nine security vulnerabilities, including a critical command injection flaw in the SNMP monitoring component. The vulnerability affects systems with SNMP notifications enabled and could allow attackers to execute arbitrary commands. […]

Impact

Zimbra version 10.1.20 and earlier versions with SNMP notifications enabled

Exploitation Status

The exploitation status is currently unknown. Monitor vendor advisories and security bulletins for updates.

Timeline

Newly disclosed

Remediation

Update to Zimbra version 10.1.20 or later

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to Vulnerability, Patch, Critical.

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