Vulnerability identifier: #VU18716

Vulnerability risk: High

CVSSv3.1: 9.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2019-11580

CWE-ID: CWE-749

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Crowd
Server applications / Directory software, identity management

Vendor: Atlassian

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to incorrectly enabled pdkinstall development plugin in release builds. A remote unauthenticated attacker can install arbitrary plugin and gain full control over the affected system.

Successful exploitation of the vulnerability may allow remote code execution.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Crowd: 3.4.0 - 3.4.3, 3.3.0 - 3.3.4, 3.2.0 - 3.2.7, 3.1.1 - 3.1.5, 3.0.0 - 3.0.4, 2.11 - 2.11.0, 2.12 - 2.12.0, 2.10.1 - 2.10.3, 2.9.1 - 2.9.7, 2.8 - 2.8.8, 2.7 - 2.7.2, 2.6 - 2.6.5, 2.5 - 2.5.5, 2.4 - 2.4.10, 2.3.1 - 2.3.9, 2.2.2 - 2.2.9, 2.1 - 2.1.2

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External links
http://jira.atlassian.com/browse/CWD-5388

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.