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CVE-2020-13886 is a directory traversal vulnerability affecting Intelbras TIP 200 firmware version 60.61.75.15, TIP 200 LITE firmware version 60.61.75.15, and TIP 300 firmware version 65.61.75.22. The issue is exposed through the cgi-bin/cgiServer.exx endpoint when the page parameter is supplied with traversal sequences such as ../. Improper restriction of pathnames allows an attacker to traverse outside the intended web root or application directory and request unintended files or resources from the underlying filesystem.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a proof-of-concept (PoC) exploit for CVE-2020-13886, targeting Intelbras TIP 200, TIP 200 LITE, and TIP 300 IP phones running specific firmware versions. The exploit leverages a Local File Inclusion (LFI) vulnerability in the 'page' parameter of the /cgi-bin/cgiServer.exx endpoint, accessible via HTTP. The PoC is implemented in Python (PoC.py) and prompts the user for a target URL and an LFI payload (defaulting to '../../../../etc/shadow'). It then sends an HTTP GET request with HTTP Basic Authentication (default credentials: admin/admin) to retrieve the contents of the specified file. The README.md provides usage instructions and sample output, including example hashes from /etc/shadow. The repository is structured simply, with one exploit script and a README, and is intended to demonstrate the vulnerability and its impact (arbitrary file read, credential exposure) on affected devices.
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