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CVE-2025-12097 is a relative path traversal vulnerability in the NI System Web Server, affecting versions 2012 and earlier. The vulnerability allows remote attackers to read arbitrary files on the server by sending specially crafted HTTP requests containing relative path traversal sequences. This can result in unauthorized disclosure of sensitive information stored on the server. The vulnerability is classified as CWE-23 (Relative Path Traversal) and does not require authentication or user interaction to exploit.
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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.
This repository contains a Nuclei template (CVE-2025-12097.yaml) and a README describing a directory traversal vulnerability in the NI modification of the Appweb server on Windows (up to version 12.0.0). The exploit leverages a crafted HTTP GET request with encoded directory traversal sequences to access arbitrary files, demonstrated by reading C:\windows\win.ini. The Nuclei template automates detection by sending the payload and matching for known win.ini content. The README provides context, affected versions, identification tips (including typical ports and server banners), and a curl PoC. The repository is structured for use with the Nuclei vulnerability scanner and is a proof-of-concept for file read via network attack vector.
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.
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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.