Zimbra 10.1.20 Addresses Critical Command Injection and XSS Vulnerabilities

Zimbra 10.1.20 Addresses Critical Command Injection and XSS Vulnerabilities

First seen 21 Jul 2026, 21:55 UTC ThehackernewsSecurityaffairs.Co 84% similarity 70.5

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Zimbra has released version 10.1.20 to patch nine security vulnerabilities, including a critical command injection flaw in the SNMP monitoring component. This vulnerability allows attackers to execute arbitrary commands on affected systems with SNMP notifications enabled. Alongside this critical issue, four cross-site scripting (XSS) vulnerabilities were also addressed. The updates are crucial for maintaining the security of Zimbra installations, particularly for organizations using SNMP. Users are urged to apply the patch immediately to mitigate potential exploitation risks. The vulnerabilities could lead to unauthorized access and control over affected systems. Zimbra's proactive response aims to protect its user base from emerging threats. The release date of the patch is July 21, 2026.

Key Points: • Zimbra patched nine vulnerabilities in version 10.1.20, including a critical command injection flaw. • The command injection vulnerability affects systems with SNMP notifications enabled, allowing arbitrary command execution. • Four additional XSS vulnerabilities were also fixed in this update.

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Timeline

2026-07-21
Zimbra 10.1.20 released
Zimbra released version 10.1.20 to address nine security vulnerabilities, including a critical command injection flaw.
Securityaffairs.Co
2026-07-21
Critical command injection vulnerability disclosed
The critical SNMP monitoring command injection flaw allows attackers to execute arbitrary commands on affected systems.
Thehackernews

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