CVE-2021-43949 Missing authorization in Jira Service Management Data Center

Medium 4.3 Published 10 Jan 2022 Updated 4 Oct 2024

Authenticated attackers can view private objects in Jira Service Management due to broken access control in Custom Fields.

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-2021-43949?

CVE-2021-43949 is a medium-severity missing authorization vulnerability in Atlassian Jira Service Management Data Center, published on 10 Jan 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote attackers to view private objects via a Broken Access Control vulnerability in the Custom Fields feature. The affected versions are before version 4.21.0.

Weakness: CWE-200

Which versions are affected by CVE-2021-43949?

It affects 1 product.

Products include Atlassian Jira Service Management.

How do I fix CVE-2021-43949?

No fix has been published for CVE-2021-43949 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-2021-43949 being exploited?

There is no known exploitation of CVE-2021-43949 in the wild and no public exploit code.

Sources

Also known as GHSA-6v7j-h4h2-4p86.