CVE-2021-39118 Information disclosure in Jira Data Center
Remote attackers can enumerate usernames and full names via the render endpoint, exposing user identity data in Jira Server and Data Center.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-39118?
CVE-2021-39118 is a medium-severity vulnerability in Atlassian Jira, published on 14 Sep 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Affected versions of Atlassian Jira Server and Data Center allow remote attackers to discover the usernames and full names of users via an enumeration vulnerability in the /rest/api/1.0/render endpoint. The affected versions are before version 8.19.0.
Which versions are affected by CVE-2021-39118?
It affects 2 products.
Products include Atlassian Data Center, Atlassian Jira.
How do I fix CVE-2021-39118?
No fix has been published for CVE-2021-39118 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-39118 being exploited?
There is no known exploitation of CVE-2021-39118 in the wild and no public exploit code.
Other vulnerabilities in Atlassian Jira
Sources
Also known as GHSA-w893-8c37-cjx9.