Seeddms 5.1.22 Exploit [upd]
The attacker navigates to the document upload section. Instead of a standard PDF or Word document, they upload a PHP web shell (e.g., shell.php ). Because the application does not validate the file extension or inspect the file headers properly, it accepts the script and assigns it a document ID. 3. Execution via Direct Path
A successful exploit allows the attacker to execute arbitrary OS commands with the privileges of the web server, potentially leading to a complete takeover of the application server. Similar Vulnerabilities
Technical Analysis of the SeedDMS Exploitation (CVE-2019-12744) seeddms 5.1.22 exploit
: After uploading, the attacker identifies the document's internal ID (often by hovering over the document link in the UI).
The attacker intercepts or automates an upload request via the op.AddDocument.php or similar endpoint. A simplified automated Python script mimicking the exploit payload delivery looks like this: The attacker navigates to the document upload section
If you need to remediate an active production environment, please let me know: Your type (Apache, Nginx, or IIS)
Versions (including 5.1.22) allow authenticated users with permission to modify system settings to inject arbitrary operating system commands via the cacheDir parameter. The attacker intercepts or automates an upload request
Beyond RCE, SeedDMS 5.1.22 has been associated with several cross-site scripting (XSS) issues in previous versions (pre-5.1.11) that may persist if not specifically patched, such as Stored XSS in the "name" and "GROUP" fields. Vulnerability Type Status in 5.1.22 Potential Impact Authenticated RCE Full system takeover, data exfiltration, or reverse shell. Stored XSS Moderate Risk Session hijacking and impersonation of other users. Known Risk
By the time version was active, security researchers had shifted focus toward more advanced vectors. While the direct PHP upload was largely patched in later minor versions, new "stories" emerged:
: Using commands like show databases; and show tables; to understand the database schema.