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CVE-2019-8394 is an arbitrary file upload vulnerability affecting Zoho ManageEngine ServiceDesk Plus before version 10.0 build 10012. The flaw allows a remote, unauthenticated attacker to upload arbitrary files through the product's login page customization functionality. Because the vulnerable feature is reachable prior to authentication, exploitation does not require valid credentials. Successful abuse of the upload mechanism can place attacker-controlled files on the target system, creating a path to further compromise depending on how the uploaded content is handled by the application or underlying server.
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Patch, then assume compromise.
1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos (1 hidden).
This repository contains a single Metasploit module (modules/exploits/multi/http/manageengine_sd_uploader.rb) that exploits an unauthenticated arbitrary file upload vulnerability (CVE-2019-8394) in ManageEngine ServiceDesk Plus v9 b9000-b9102. The exploit targets the FileUploader servlet, which allows attackers to upload files without authentication. The module generates a malicious Java EAR file containing a WAR payload (Metasploit's Java payload), uploads it to the server, and triggers its deployment, resulting in remote code execution. The exploit is weaponized, allowing for customizable payloads via the Metasploit framework. The main attack vector is network-based, exploiting the HTTP interface of the vulnerable application, typically on port 8080. The code is well-structured, with clear separation of the check and exploit phases, and leverages Metasploit's HttpClient and FileDropper mixins for HTTP communication and cleanup. No hardcoded IPs or domains are present; the endpoints are dynamically constructed for each run.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An arbitrary file upload vulnerability in ManageEngine ServiceDesk Plus.
A pre-auth arbitrary file upload vulnerability affecting ZoHo ManageEngine ServiceDesk Plus, included in the leaked exploit set.
A vulnerability included in FireEye's list of 16 CVEs for which protections can help limit the effectiveness of stolen red-team tools.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.