CVE-2024-27442

Root command execution via mishandled mailbox arguments

Published Aug 12, 2024 · Updated Aug 13, 2024

Local privilege escalation in Zimbra Collaboration 9.0 and 10.0 allows local users with zimbra access to execute commands as root. The privileged zmmailboxdmgr binary incorrectly handles attacker-controlled command-line arguments during mailbox operations. Exploitation requires access as the zimbra service account and grants root-level command execution on the host.

CVSS severity7.8
High
EPSS probability0.35%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Local privilege escalation in Zimbra Collaboration 9.0 and 10.0 allows local users with zimbra access to execute commands as root. The privileged zmmailboxdmgr binary incorrectly handles attacker-controlled command-line arguments during mailbox operations. Exploitation requires access as the zimbra service account and grants root-level command execution on the host.

The record

CVE
CVE-2024-27442
Published
Aug 12, 2024
Updated
Aug 13, 2024
Vendor
Zimbra
Product
Zimbra Collaboration
Classifications
CWE-269, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 12, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 13, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=10.0
  2. Affected versionversion=9.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Zimbra · Zimbra Collaborationversion=10.0; version=9.0

Published CVSS scores

7.8CISA ADPCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-269Improper Privilege Management
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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