Vulnerabilities

Security incident · CVE-2025-55013

The Assemblyline 4 Service Client interfaces with the API to fetch tasks and publish the result for a service in Assemblyline 4.

Published Aug 9, 2025 · catalog updated Aug 12, 2025 · CybercentreCanada

Check this week

CVE-2025-55013 is not in CISA KEV. FIRST estimates a 58.00% chance of exploitation in the next 30 days. Check whether you run CybercentreCanada.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.2
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
58.00%
Remediation
Version ranges on file
Affected products
vendor CybercentreCanada assemblyline < 4.6.1.dev138

The Assemblyline 4 Service Client interfaces with the API to fetch tasks and publish the result for a service in Assemblyline 4. In versions below 4.6.1.dev138, the Assemblyline 4 Service Client (task_handler.py) accepts a SHA-256 value returned by the service server and uses it directly as a local file name.A malicious or compromised server (or any MITM that can speak to client) can return a path-traversal payload such as and force the client to write the downloaded bytes to an arbitrary location on disk. This is fixed in version 4.6.1.dev138.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor CybercentreCanada assemblyline < 4.6.1.dev138< 4.6.1.dev138

How to fix CVE-2025-55013

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-55013 is not in CISA KEV. FIRST estimates a 58.00% chance of exploitation in the next 30 days. Check whether you run CybercentreCanada.

Which versions are affected?

Compare what you have installed with CybercentreCanada assemblyline < 4.6.1.dev138 < 4.6.1.dev138. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 58.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

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

Timeline

Detection, updates, and resolution for this record.

  1. Aug 9, 2025 · EUVD

    Detected

    The Assemblyline 4 Service Client interfaces with the API to fetch tasks and publish the result for a service in Assemblyline 4. In versions below 4.6.1.dev138, the Assemblyline 4 Service Client (task_handler.py) accepts a SHA-256 value returned by the service server and uses it directly as a local file name.A malicious or compromised server (or any MITM that can speak to client) can return a path

  2. Aug 12, 2025 · EUVD

    Updated

    The Assemblyline 4 Service Client interfaces with the API to fetch tasks and publish the result for a service in Assemblyline 4. In versions below 4.6.1.dev138, the Assemblyline 4 Service Client (task_handler.py) accepts a SHA-256 value returned by the service server and uses it directly as a local file name.A malicious or compromised server (or any MITM that can speak to client) can return a path

Sources

  • CVE.orgVulnerability recordCVE-2025-55013

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-24028

    The Assemblyline 4 Service Client interfaces with the API to fetch tasks and publish the result for a service in Assemblyline 4. In versions below 4.6.1.dev138, the Assemblyline 4 Service Client (task_handler.py) accepts a SHA-256 value returned by the service server and uses it

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Aug 12, 2025. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.