CVE-2021-26070 : What You Need to Know

A Broken Authentication vulnerability in Atlassian Jira Server and Data Center allows remote attackers to bypass behind-the-firewall protection, impacting versions before 8.13.3 and from 8.14.0 to 8.14.1.

Understanding CVE-2021-26070

This CVE identifies a security flaw in Atlassian's Jira Server and Data Center that can be exploited by remote attackers to bypass security measures.

What is CVE-2021-26070?

CVE-2021-26070 highlights a Broken Authentication vulnerability in Atlassian Jira Server and Data Center, enabling attackers to circumvent firewall protection.

The Impact of CVE-2021-26070

This vulnerability can be significant as it allows remote attackers to access app-linked resources despite firewall protections, posing a serious risk to organizations using affected versions.

Technical Details of CVE-2021-26070

In-depth insights into the vulnerability and its implications.

Vulnerability Description

The

makeRequest

gadget resource in Atlassian Jira Server and Data Center is susceptible to a Broken Authentication flaw, letting attackers evade firewall security measures.

Affected Systems and Versions

Atlassian Jira Server and Data Center versions before 8.13.3 and from 8.14.0 to 8.14.1 are impacted by this vulnerability, leaving them exposed to exploitation.

Exploitation Mechanism

Remote attackers can exploit the Broken Authentication vulnerability in the

makeRequest

gadget resource to bypass firewall protection and gain unauthorized access to app resources.

Mitigation and Prevention

Best practices to mitigate the impact and prevent exploitation.

Immediate Steps to Take

Organizations should update their Atlassian Jira Server and Data Center to versions 8.13.3 or above to patch the vulnerability and enhance security.

Long-Term Security Practices

Implement robust authentication mechanisms, regular security audits, and employee training to enhance overall security posture and prevent similar incidents.

Patching and Updates

Stay informed about security updates from Atlassian and promptly apply patches to ensure the protection of Atlassian Jira Server and Data Center.