Bamboo exposed services without first performing authentication checks. Attackers can use this vulnerability to extract confidential information from Bamboo, modify certain settings and manage build agents. To exploit this issue, attackers need to be able to access the Bamboo JMS port.

Affected versions:

• All versions of Bamboo from 2.4 before 5.9.9 (the fixed version for 5.9.x) are affected by this vulnerability.

Fix:

• Bamboo 5.10.0 is available for download from https://www.atlassian.com/software/bamboo/download.
• Bamboo 5.9.9 is available for download from https://www.atlassian.com/software/bamboo/download-archives.

For additional details see the full advisory.