QID 731326

QID 731326: Atlassian Bamboo Server and Data Center Security Update (BAM-21479)

Atlassian Bamboo is a continuous integration (CI) and deployment server. Bamboo Data Center is a continuous delivery pipeline that offers resilience, reliability, and scalability for teams of any size.

CVE-2021-42574: A vulnerability affects Bamboo where special characters, known as Unicode bidirectional override characters, are not rendered or displayed in the affected applications. These special characters are typically not displayed by the browser or code editors but can affect the meaning of the source code when it is processed by a compiler or an interpreter.

Affected Bamboo Server and Data Center:
from version 8.0.0 to 8.0.3
All versions prior to 7.2.7

QID Detection Logic:(Unauthenticated):
QID checks for the vulnerable versions of Atlassian Bamboo via GET login request.

QID Detection Logic:(Windows):
QID checks for the vulnerable versions of Atlassian Bamboo through the registry key.

Successful exploitation of this vulnerability may affect the Confidentiality, Integrity, and Availability of the data.

  • CVSS V3 rated as Critical - 8.3 severity.
  • CVSS V2 rated as Medium - 5.1 severity.
  • Solution
    The vendor has released fix for this vulnerability. Refer to BAM-21479 for updates pertaining to this vulnerability.
    Vendor References

    CVEs related to QID 731326

    Software Advisories
    Advisory ID Software Component Link
    BAM-21479 URL Logo jira.atlassian.com/browse/BAM-21479
    © CVE.report 2026 |

    Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

    CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

    Free CVE JSON API cve.report/api

    CVE.report and Source URL Uptime Status status.cve.report