Zimbra Collaboration < 10.1.20 Remote Code Execution

high Web App Scanning Plugin ID 115444

Synopsis

Zimbra Collaboration < 10.1.20 Remote Code Execution

Description

According to its banner, the version of Zimbra Collaboration running on the remote host is prior to 10.1.20. It is, therefore, affected by a Remote Code Execution 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.

Note that the scanner has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Zimbra Collaboration version 10.1.20 or later.

See Also

https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories

Plugin Details

Severity: High

ID: 115444

Type: Version Based

Published: 9/1/2026

Updated: 9/1/2026

Scan Template: basic, full, pci, scan

Risk Information

VPR

Risk Factor: Critical

Score: 9.3

Percentile: 99.81

CVSS v2

Risk Factor: High

Base Score: 7.3

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:P

CVSS Score Source: CVE-2026-73570

CVSS v3

Risk Factor: High

Base Score: 8.9

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L

CVSS Score Source: CVE-2026-73570

Vulnerability Information

CPE: cpe:2.3:a:zimbra:collaboration:*:*:*:*:*:*:*:*

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 7/22/2026

CISA Known Exploited Vulnerability Due Dates: 8/24/2026

Reference Information

CVE: CVE-2026-73570