SB2020070178 - Code injection in Atlassian Confluence Server



SB2020070178 - Code injection in Atlassian Confluence Server

Published: July 1, 2020 Updated: March 16, 2021

Security Bulletin ID SB2020070178
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Code Injection (CVE-ID: CVE-2020-4027)

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation. A remote user can bypass velocity template injection mitigations via an injection vulnerability in custom user macros and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.