VULNERABILITY INTELLIGENCE

CVE-2026-73570

CVSS score8.9 HIGH
EPSS probability71.66%
CISA KEVKnown exploited vulnerability
Published2026-08-13
Last modified2026-08-24
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L

Known Exploited Vulnerability

Zimbra Collaboration Suite (ZCS) OS Command Injection Vulnerability

Vendor / product: Synacor / Zimbra Collaboration Suite (ZCS)

Description

A remote code execution vulnerability exists in Zimbra Collaboration (ZCS) before 10.1.20 when the optional zimbra-snmp package is installed and SNMP notifications are enabled. Due to improper sanitization of untrusted input during SNMP notification processing, an unauthenticated attacker can send specially crafted SMTP requests that may result in execution of arbitrary operating system commands as the Zimbra user.

Weakness classification

  • cve@mitre.org: CWE-78

Primary references