CVE-2018-20826 Missing authorization in Jira

Medium 4.3 Published 9 Aug 2019 Updated 17 Sep 2024

Authenticated attackers can modify issue reporters in Jira due to a missing authorization check in the inline-create resource.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-20826?

CVE-2018-20826 is a medium-severity missing authorization vulnerability in Atlassian Jira, published on 9 Aug 2019. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The inline-create rest resource in Jira before version 7.12.3 allows authenticated remote attackers to set the reporter in issues via a missing authorisation check.

Weakness: CWE-863

Which versions are affected by CVE-2018-20826?

It affects 1 product.

Products include Atlassian Jira.

How do I fix CVE-2018-20826?

No fix has been published for CVE-2018-20826 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2018-20826 being exploited?

There is no known exploitation of CVE-2018-20826 in the wild and no public exploit code.

All Atlassian Jira vulnerabilities

Sources

Also known as GHSA-cp57-2f38-rjxg.