CVE-2019-20100 Cross-site request forgery in Application Links
An attacker can trick an admin into performing actions that enumerate internal network hosts and ports via CSRF in the Atlassian Application Links plugin.
- 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-2019-20100?
CVE-2019-20100 is a medium-severity vulnerability in Atlassian Jira, published on 12 Feb 2020. 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
The Atlassian Application Links plugin is vulnerable to cross-site request forgery (CSRF). The following versions are affected: all versions prior to 5.4.21, from version 6.0.0 before version 6.0.12, from version 6.1.0 before version 6.1.2, from version 7.0.0 before version 7.0.2, and from version 7.1.0 before version 7.1.3. The vulnerable plugin is used by Atlassian Jira Server and Data Center before version 8.7.0. An attacker could exploit this by tricking an administrative user into making malicious HTTP requests, allowing the attacker to enumerate hosts and open ports on the internal network where Jira server is present.
Weakness: CWE-352
Which versions are affected by CVE-2019-20100?
It affects 3 products.
Products include Atlassian Jira, Atlassian Jira Data Center, Atlassian Jira Server.
How do I fix CVE-2019-20100?
No fix has been published for CVE-2019-20100 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-20100 being exploited?
There is no known exploitation of CVE-2019-20100 in the wild and no public exploit code.
Other vulnerabilities in Atlassian Jira
Sources
Also known as GHSA-mjf6-gmwv-grxx.