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
Recommended remediation
Affected version ranges suggest a fixed boundary. Verify against the vendor advisory for your release.
Official advisories
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.
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
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.