#VU55284 Missing authentication for critical function in Jira Data Center and Jira Service Management Data Center - CVE-2020-36239
Published: July 24, 2021
Vulnerability identifier: #VU55284
Vulnerability risk: Critical
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Red
CVE-ID: CVE-2020-36239
CWE-ID: CWE-306
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Jira Data Center
Jira Service Management Data Center
Jira Data Center
Jira Service Management Data Center
Software vendor:
Atlassian
Atlassian
Description
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to missing authentication in the Ehcache RMI network service, listening on ports 40001/TCP and 40011/TCP. A remote non-authenticated attacker with ability to connect to the affected port can send a specially crafted request and execute arbitrary code on the system.
Successful exploitation of the vulnerability allows a remote attacker to compromise the affected system.
Remediation
Install updates from vendor's website.