CVE-2020-15943 Information

Description

An issue was discovered in the Gantt-Chart module before 5.5.4 for Jira. Due to a missing privilege check it is possible to read and write to the module configuration of other users. This can also be used to deliver an XSS payload to other users’ dashboards. To exploit this vulnerability an attacker has to be authenticated.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Reference

http://packetstormsecurity.com/files/158751/Gantt-Chart-For-Jira-5.5.3-Missing-Privilege-Check.html http://seclists.org/fulldisclosure/2020/Aug/0 https://marketplace.atlassian.com/apps/28997/gantt-chart-for-jira?hosting=cloud&tab=overview https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2020-029.txt

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

NONE

Base Severity

8.1