#VU51512 Code Injection in Confluence Server - CVE-2020-4027

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Main Vulnerability Database Vulnerabilities #VU51512

#VU51512 Code Injection in Confluence Server - CVE-2020-4027

Published: March 16, 2021


Vulnerability identifier: #VU51512
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-4027
CWE-ID: CWE-94
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 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 updates from vendor's website.

External links