CVE-2020-15943

Public Exploit

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.

Category

8.1
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.43% Top 25%
Third-Party Advisory packetstormsecurity.com Third-Party Advisory seclists.org Third-Party Advisory atlassian.com Third-Party Advisory syss.de
Affected: n/a n/a
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2020-15943?
CVE-2020-15943 has been scored as a high severity vulnerability.
How to fix CVE-2020-15943?
To fix CVE-2020-15943, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-15943 being actively exploited in the wild?
It is possible that CVE-2020-15943 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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