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CVE-2019-3398 is a path traversal vulnerability in Atlassian Confluence Server and Data Center affecting the downloadallattachments resource. An authenticated remote attacker with permissions to add attachments to pages or blogs, create a new space or personal space, or with space administrator privileges can exploit the flaw to write files to arbitrary locations on the Confluence host. The vulnerability affects Confluence Server versions from 2.0.0 before 6.6.13, from 6.7.0 before 6.12.4, from 6.13.0 before 6.13.4, from 6.14.0 before 6.14.3, and from 6.15.0 before 6.15.2. Because arbitrary file write can be directed to sensitive locations, successful exploitation can lead to authenticated remote code execution on vulnerable systems.
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What an attacker gets, and what they’ve been doing with it.
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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 Python proof-of-concept exploit for CVE-2019-3398, a vulnerability in Atlassian Confluence (versions 6.12.3, 6.13.3, 6.14.2, and 6.15.1). The exploit requires valid Confluence user credentials and targets a running Confluence instance (defaulted to http://127.0.0.1:8090/ in the script). The main script, poc.py, automates the login process, retrieves necessary CSRF tokens and draft IDs, and abuses the drag-and-drop upload functionality to write a base64-decoded JSP web shell (shell.jsp) to the Confluence server's web root. If successful, the attacker can access the shell via the web server and execute arbitrary commands. The repository consists of two files: a README.md with usage instructions and poc.py containing the exploit logic. The attack vector is network-based, and several HTTP endpoints and a file path are fingerprintable from the code.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An authenticated remote code execution vulnerability in Confluence included in the leaked exploit payloads.
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.