CVE-2025-52913Network attack vector

Unauthenticated data access via unvalidated paths

Published Aug 8, 2025 · Updated Feb 26, 2026

Path traversal in MiCollab 9.8.2.12 and earlier allows remote attackers to read, corrupt, or delete data without authentication. The NuPoint Unified Messaging component accepts attacker-controlled path input without sufficient validation, but Mitel has not disclosed the affected endpoint or file-handling operation. Successful exploitation exposes user data and system configuration to unauthorized viewing, modification, or deletion and permits administrative actions on the server.

CVSS severity9.8
Critical
EPSS probability0.52%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Path traversal in MiCollab 9.8.2.12 and earlier allows remote attackers to read, corrupt, or delete data without authentication. The NuPoint Unified Messaging component accepts attacker-controlled path input without sufficient validation, but Mitel has not disclosed the affected endpoint or file-handling operation. Successful exploitation exposes user data and system configuration to unauthorized viewing, modification, or deletion and permits administrative actions on the server.

The record

CVE
CVE-2025-52913
Published
Aug 8, 2025
Updated
Feb 26, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-22, T1005, T1485
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 8, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 26, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.8MitelCVSS:3.1/AV:N/AC:L/PR:N/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

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

Weakness, pattern, technique

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
T1005Data from Local System
T1485Data Destruction

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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