CSRF in Atlassian Jira Data Center

CVE-2019-20098

The VerifySmtpServerConnection!add.jspa component in Atlassian Jira Server and Data Center before version 8.7.0 is vulnerable to cross-site request forgery (CSRF). 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.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.008 (53.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-20098?
CVE-2019-20098 is a medium-severity vulnerability in Atlassian Jira Data Center, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2020-02-12.
How severe is CVE-2019-20098?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2019-20098 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.