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Findings

CVE-2022-27925

Synacor Zimbra Collaboration Suite (ZCS) Arbitrary File Upload Vulnerability

Published Apr 20, 2022 · updated Oct 1, 2026 · synacor zimbra collaboration suite

Synacor Zimbra Collaboration Suite (ZCS) contains flaw in the mboximport functionality, allowing an authenticated attacker to upload arbitrary files to perform remote code execution. This vulnerability was chained with CVE-2022-37042 which allows for unauthenticated remote code execution.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 20, 2022 · Catalog

    Detected

    Synacor Zimbra Collaboration Suite (ZCS) contains flaw in the mboximport functionality, allowing an authenticated attacker to upload arbitrary files to perform remote code execution. This vulnerability was chained with CVE-2022-37042 which allows for unauthenticated remote code execution.

  2. Aug 11, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Sep 1, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Oct 1, 2026 · Catalog

    Updated

    Synacor Zimbra Collaboration Suite (ZCS) contains flaw in the mboximport functionality, allowing an authenticated attacker to upload arbitrary files to perform remote code execution. This vulnerability was chained with CVE-2022-37042 which allows for unauthenticated remote code execution.

Required action

Apply updates per vendor instructions.

CISA due date Sep 1, 2022

Affected

  • cpe synacor/zimbra collaboration suite8.8.15
  • vendor Synacor Zimbra Collaboration Suite (ZCS)version unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-2022-27925

    Synacor Zimbra Collaboration Suite (ZCS) contains flaw in the mboximport functionality, allowing an authenticated attacker to upload arbitrary files to perform remote code execution. This vulnerability was chained with CVE-2022-37042 which allows for unauthenticated remote code execution.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2022-27925

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-27925

    30-day exploitation probability 98.7%

    first.org
  • Metasploit ModulesPublic exploit moduleexploit_linux/http/zimbra_mboximport_cve_2022_27925

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2022-27925

    Zimbra Collaboration (aka ZCS) 8.8.15 and 9.0 has mboximport functionality that receives a ZIP archive and extracts files from it. An authenticated user with administrator rights has the ability to upload arbitrary files to the system, leading to directory traversal.

    nvd.nist.gov
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/168146/Zimbra-Zip-Path-Traversal.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com

References