Vulnerability identifier: #VU30379

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-20400

CWE-ID: CWE-426

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Jira Software
Client/Desktop applications / Other client software

Vendor: Atlassian

Description

The vulnerability allows a local non-authenticated attacker to execute arbitrary code.

The usage of Tomcat in Jira before version 8.5.2 allows local attackers with permission to write a dll file to a directory in the global path environmental variable can inject code into via a DLL hijacking vulnerability.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Jira Software: 8.5.3 - 8.5.5

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External links
http://jira.atlassian.com/browse/JRASERVER-70407

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.