CVE-2025-13283
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-11-17

Last updated on: 2025-12-19

Assigner: TWCERT/CC

Description
TenderDocTransfer developed by Chunghwa Telecom has a Arbitrary File Copy and Paste vulnerability. The application sets up a simple local web server and provides APIs for communication with the target website. Due to the lack of CSRF protection in the APIs, unauthenticated remote attackers could use these APIs through phishing. Additionally, one of the APIs contains an Absolute Path Traversal vulnerability. Attackers can copy arbitrary files on the user's system and paste them into any path, which poses a potential risk of information leakage or could consume hard drive space by copying files in large volumes.
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Meta Information
Published
2025-11-17
Last Modified
2025-12-19
Generated
2026-06-16
AI Q&A
2025-11-17
EPSS Evaluated
2026-06-15
NVD
CVE-2025-13283
EUVD
EUVD-2025-197759
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
cht tenderdoctransfer to 0.41.159 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-352 The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.
CWE-36 The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize absolute path sequences such as "/abs/path" that can resolve to a location that is outside of that directory.
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Impact Analysis

This vulnerability can lead to unauthorized access to sensitive files on your system, resulting in information leakage. Additionally, attackers could consume large amounts of hard drive space by copying files in large volumes, potentially disrupting system operations or causing denial of service due to storage exhaustion.

Executive Summary

TenderDocTransfer by Chunghwa Telecom has a vulnerability where its APIs lack CSRF protection, allowing unauthenticated remote attackers to exploit them via phishing. One API has an Absolute Path Traversal flaw, enabling attackers to copy arbitrary files from the user's system and paste them anywhere, potentially leading to information leakage or excessive disk space consumption.

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