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VulnerabilityPublished

CVE-2025-7917: Simopro Technology WinMatrix3 Web package · Unrestricted File Upload

Affects Simopro Technology WinMatrix3 Web packageSource CVE Database V5

0

Not known to be exploited · CVSS 8.6 High.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 4.0 base score
8.6High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.6% chance of exploitation in 30 days – higher than 50% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 21 Jul 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Simopro Technology WinMatrix3 Web packageAffected
  • =0
Fixed in–

AI-suggested

To mitigate this vulnerability, European organizations should: 1) Immediately audit and restrict administrative access to the WinMatrix3 Web package, ensuring only trusted personnel have such privileges. 2) Implement strict file upload validation and filtering mechanisms to prevent dangerous file types from being uploaded, even by administrators. 3) Monitor web server logs and file system changes for suspicious upload activity or the presence of web shells. 4) Employ application-layer firewalls or runtime application self-protection (RASP) solutions to detect and block malicious file uploads and execution attempts. 5) Regularly update and patch the WinMatrix3 Web package once a vendor patch becomes available. 6) Conduct internal security training to raise awareness about the risks of arbitrary file uploads and the importance of credential security. 7) Use network segmentation to isolate critical web servers and limit the potential spread of an attack. 8) Implement multi-factor authentication (MFA) for administrative access to reduce the risk of credential compromise.

Description

WinMatrix3 Web package developed by Simopro Technology has an Arbitrary File Upload vulnerability, allowing remote attackers with administrator privileges to upload and execute web shell backdoors, thereby enabling arbitrary code execution on the server.

References

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