CVE-2021-26080 : What You Need to Know
Learn about CVE-2021-26080 affecting Jira Server and Data Center by Atlassian. Discover the impact, technical details, affected versions, and mitigation steps for this XSS vulnerability.
This CVE, published on May 26, 2021, affects Jira Server and Jira Data Center by Atlassian due to a cross site scripting (XSS) vulnerability in EditworkflowScheme.jspa.
Understanding CVE-2021-26080
This section delves into the details of the CVE-2021-26080 vulnerability affecting Jira Server and Jira Data Center.
What is CVE-2021-26080?
CVE-2021-26080 is a security vulnerability that allows remote attackers to inject arbitrary HTML or JavaScript through a cross site scripting (XSS) exploit in EditworkflowScheme.jspa.
The Impact of CVE-2021-26080
This vulnerability could be exploited by malicious actors to execute harmful scripts on affected systems, potentially leading to unauthorized access, data theft, or other malicious activities.
Technical Details of CVE-2021-26080
In this section, we will explore the technical aspects of CVE-2021-26080, including the vulnerability description, affected systems and versions, and exploitation mechanism.
Vulnerability Description
The vulnerability in EditworkflowScheme.jspa in Jira Server and Jira Data Center versions before 8.5.14, between 8.6.0 and 8.13.6, and between 8.14.0 and 8.16.1 allows for the injection of arbitrary HTML or JavaScript.
Affected Systems and Versions
Jira Server and Jira Data Center versions prior to 8.5.14, between 8.6.0 and 8.13.6, and between 8.14.0 and 8.16.1 are affected by this XSS vulnerability.
Exploitation Mechanism
Remote attackers can exploit this vulnerability to inject malicious scripts into the application, potentially leading to cross site scripting attacks.
Mitigation and Prevention
Protecting systems from CVE-2021-26080 requires immediate action and the establishment of robust security practices.
Immediate Steps to Take
Users should update their Jira Server and Jira Data Center installations to versions that address this vulnerability. Implementing web application firewalls and input validation mechanisms can also help mitigate risks.
Long-Term Security Practices
Regular security updates, penetration testing, security monitoring, and user education on safe browsing practices are essential for maintaining a secure environment.
Patching and Updates
Atlassian has released patches for this vulnerability. It is crucial for users to apply these patches promptly to secure their systems.