What’s Vulnerable › Vulnerabilities

CVE-2019-20099

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-02-12 · updated 2026-06-17
• Weakness: CWE-352

Description

The VerifyPopServerConnection!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.

Affected products

• Atlassian Jira: from 7.6.15 before 8.5.4; from 8.5.5 before 8.6.2 — fixed in 8.5.4, 8.6.2
• Atlassian Jira: from 7.6.15 before 8.5.4; from 8.5.5 before 8.6.2 — fixed in 8.5.4, 8.6.2

How to fix

Upgrade to a fixed version: Atlassian Jira 8.5.4, 8.6.2; Atlassian Jira 8.5.4, 8.6.2. Check the vendor advisory for mitigations.

References

• https://jira.atlassian.com/browse/JRASERVER-70606
• https://www.tenable.com/security/research/tra-2020-05
• https://jira.atlassian.com/browse/JRASERVER-70606
• https://www.tenable.com/security/research/tra-2020-05

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