SB2021011914 - Denial of service in Atlassian Confluence Server
Published: January 19, 2021 Updated: March 16, 2021
Security Bulletin ID
SB2021011914
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Arbitrary file upload (CVE-ID: CVE-2020-29450)
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.