Template injection in Jira Software - CVE-2019-11581
Published: July 22, 2019 / Updated: March 8, 2022
Vulnerability identifier: #VU19301
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2019-11581
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Atlassian
Affected software:
Jira Software
Jira Software
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation in the ContactAdministrators and the SendBulkMail actions if Contact Administrators Form is enabled. A remote non-authenticated attacker can send a specially crafted email message to the affected server and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system but requires that SMTP server is configured and either Contact Administrators Form is enabled.
How to mitigate CVE-2019-11581
Install updates from vendor's website.