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Vulnerability record · CVE-2024-27442 · published 12 August 2024

CVE-2024-27442: Zimbra collaboration improper privilege management vulnerability

Zimbra · Collaboration

An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. The zmmailboxdmgr binary, a component of ZCS, is intended to be executed by the zimbra user with root privileges for specific mailbox operations. However, an attacker can escalate privileges from the zimbra user to root, because of improper handling of input arguments. An attacker can execute arbitrary commands with elevated privileges, leading to local privilege escalation.

7.8 CVSS 3.1 High EPSS 0.35% · top 74.0% CWE-755 · CWE-755CWE-269 · Improper privilege management
7.8CVSS 3.1 base score
0.35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. The zmmailboxdmgr binary, a component of ZCS, is intended to be executed by the zimbra user with root privileges for specific mailbox operations. However, an attacker can escalate privileges from the zimbra user to root, because of improper handling of input arguments. An attacker can execute arbitrary commands with elevated privileges, leading to local privilege escalation.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://wiki.zimbra.com/wiki/Zimbra_Releases/10.0.7#Security_Fixes Release Notes
https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P39#Security_Fixes Release Notes

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

6.1CVE-2024-27443Zimbra webmail classic calendar invite XSS via crafted headerZimbra Collaboration 9.0 and 10.0 fail to properly validate the calendar header in the CalendarInvite feature of the classic webmail interface, allow…KEVEPSS 24%analysed9.8CVE-2023-29381Zimbra collaboration incorrect authorization vulnerabilityAn issue in Zimbra Collaboration (ZCS) v.8.8.15 and v.9.0 allows a remote attacker to escalate privileges and obtain sensitive information via the pa…EPSS 1.0%9.8CVE-2023-29382Zimbra collaboration code injection vulnerabilityAn issue in Zimbra Collaboration ZCS v.8.8.15 and v.9.0 allows an attacker to execute arbitrary code via the sfdc_preauth.jsp component.EPSS 1.0%9.8CVE-2022-32294Zimbra collaboration incorrect authorization vulnerabilityZimbra Collaboration Open Source 8.8.15 does not encrypt the initial-login randomly created password (from the "zmprove ca" command). It is visible i…EPSS 2.5%9.8CVE-2021-35209Zimbra collaboration server-side request forgery (ssrf) vulnerabilityAn issue was discovered in ProxyServlet.java in the /proxy servlet in Zimbra Collaboration Suite 8.8 before 8.8.15 Patch 23 and 9.x before 9.0.0 Patc…EPSS 3.0%8.8CVE-2024-45518Zimbra collaboration server-side request forgery (ssrf) vulnerabilityAn issue was discovered in Zimbra Collaboration (ZCS) 10.1.x before 10.1.1, 10.0.x before 10.0.9, 9.0.0 before Patch 41, and 8.8.15 before Patch 46. …EPSS 21%8.8CVE-2023-34193Zimbra collaboration unrestricted file upload vulnerabilityFile Upload vulnerability in Zimbra ZCS 8.8.15 allows an authenticated privileged user to execute arbitrary code and obtain sensitive information via…EPSS 1.2%7.8CVE-2023-24032Zimbra collaboration command injection vulnerabilityIn Zimbra Collaboration Suite through 9.0 and 8.8.15, an attacker (who has initial user access to a Zimbra server instance) can execute commands as r…EPSS 0.96%

Source: NIST National Vulnerability Database (record CVE-2024-27442), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.