CVE-2021-39126 Cross-site request forgery in Jira Data Center
Remote attackers can modify Jira resources via CSRF by exploiting an information disclosure flaw that leaks user CSRF tokens.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-39126?
CVE-2021-39126 is a medium-severity vulnerability in Atlassian Jira Data Center, published on 21 Oct 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Affected versions of Atlassian Jira Server and Data Center allow remote attackers to modify various resources via a Cross-Site Request Forgery (CSRF) vulnerability, following an Information Disclosure vulnerability in the referrer headers which discloses a user's CSRF token. The affected versions are before version 8.5.10, and from version 8.6.0 before 8.13.1.
Weakness: CWE-352
Which versions are affected by CVE-2021-39126?
It affects 2 products.
Products include Atlassian Jira Data Center, Atlassian Jira Server.
How do I fix CVE-2021-39126?
No fix has been published for CVE-2021-39126 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-39126 being exploited?
There is no known exploitation of CVE-2021-39126 in the wild and no public exploit code.
Other vulnerabilities in Atlassian Jira Data Center
Sources
Also known as GHSA-mx7r-hxjj-47w7.