CyberRota Analysis
AI-GeneratedZammad versions prior to 7.0.2 are vulnerable to a denial-of-service attack via unauthenticated POST requests to the import_check endpoint, which can block the server's request worker for approximately 115 seconds. This allows remote attackers to saturate the Puma worker pool with minimal effort, impacting the availability of the helpdesk system without requiring any authentication or specific knowledge of the target. Organizations using Zammad should prioritize upgrading to version 7.0.2 to mitigate this high-severity vulnerability.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
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Original NVD Description
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, summary An unauthenticated request to POST /api/v1/import/otrs/import_check blocks a Zammad request worker for roughly two minutes. The import_check and import_status actions are missing the setup_done_response guard that other actions in the same controller carry, so they execute on fully set-up production instances. The action enters a retry loop against a blank OTRS endpoint, sleeping for 30 s + 45 s between attempts. Impact An unauthenticated remote attacker denies service to a production Zammad instance. Each request costs almost nothing and forces ~115 seconds of server-side blocking. A few requests per second saturate the Puma worker pool. The condition persists as long as the traffic continues. No account, valid import configuration, or target knowledge beyond the hostname is needed. CSRF token is trivially obtained from any prior GET response. This issue is fixed in version 7.0.2.