CVE-2013-10034

Description

An unrestricted file upload vulnerability exists in Kaseya KServer versions prior to 6.3.0.2. The uploadImage.asp endpoint allows unauthenticated users to upload files to arbitrary paths via a crafted filename parameter in a multipart/form-data POST request. Due to the lack of authentication and input sanitation, an attacker can upload a file with an .asp extension to a web-accessible directory, which can then be invoked to execute arbitrary code with the privileges of the IUSR account. The vulnerability enables remote code execution without prior authentication and was resolved in version 6.3.0.2 by removing the vulnerable uploadImage.asp endpoint.

Reserved 2025-07-30 | Published 2025-07-31 | Updated 2025-07-31 | Assigner VulnCheck

Problem types

CWE-434 Unrestricted Upload of File with Dangerous Type

Product status

Default status
unaffected

* before 6.3.0.2
affected

Credits

Thomas Hibbert of Security-Assessment.com finder

References

raw.githubusercontent.com/...seya_uploadimage_file_upload.rb exploit

web.archive.org/...documents/advisory/Kaseya File Upload.pdf third-party-advisory technical-description exploit

www.exploit-db.com/exploits/29675 exploit

www.vulncheck.com/...sories/kaseya-arbitrary-file-upload-rce third-party-advisory

cve.org (CVE-2013-10034)

nvd.nist.gov (CVE-2013-10034)

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