Information disclosure in Atlassian JIRA

1) Information disclosure

EUVDB-ID: #VU46867

Risk: Low

CVSSv4.0: 6.9 [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:A/U:Clear]

CVE-ID: CVE-2020-14181

CWE-ID: CWE-200 - Information exposure

Exploit availability: Yes

Description

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

The vulnerability exists due to excessive data output in the /ViewUserHover.jspa endpoint. A remote attacker an enumerate application users.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Jira Software: 7.13.0 - 8.11.1

CPE2.3

• cpe:2.3:a:atlassian:jira:7.13.15:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:8.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:8.11.1:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:8.2.6:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:8.3.5:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:8.4.3:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:8.5.6:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:8.6.1:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:8.7.1:*:*:*:*:*:*:*
• cpe:2.3:a:atlassian:jira:8.8.1:*:*:*:*:*:*:*

External links

https://jira.atlassian.com/browse/JRASERVER-71560

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.