#VU30381 Information disclosure in Jira Software - CVE-2019-20403

Vulnerability identifier: #VU30381

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-20403

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

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

Vendor: Atlassian

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The API in Atlassian Jira Server and Data Center before version 8.6.0 allows remote attackers to determine if a Jira project key exists or not via an information disclosure vulnerability.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Jira Software: 8.5.0 - 8.5.4

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External links
https://jira.atlassian.com/browse/JRASERVER-70565

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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?

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