#VU51513 Arbitrary file upload in Confluence Server - CVE-2020-29450

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Main Vulnerability Database Vulnerabilities #VU51513

#VU51513 Arbitrary file upload in Confluence Server - CVE-2020-29450

Published: March 16, 2021


Vulnerability identifier: #VU51513
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-29450
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Confluence Server
Software vendor:
Atlassian

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of file during file upload. A remote user can abuse the file upload feature to consume all available disk space and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

External links