CVE-2020-14183 : Security Advisory and Response

Jira Server and Data Center versions are affected by a vulnerability that allows a remote attacker to view sensitive information. Learn about the impact, technical details, and mitigation steps.

Understanding CVE-2020-14183

This CVE involves an Information Disclosure vulnerability in Jira Server and Data Center, potentially exposing sensitive data.

What is CVE-2020-14183?

The vulnerability in affected Jira versions allows a remote attacker with limited privileges to access a Jira instance's Support Entitlement Number (SEN) through HTTP Response headers.

The Impact of CVE-2020-14183

The vulnerability poses a risk of unauthorized access to sensitive information, potentially compromising the confidentiality of the Support Entitlement Number (SEN) in Jira instances.

Technical Details of CVE-2020-14183

This section provides insights into the vulnerability's description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The vulnerability in Jira Server and Data Center versions before 7.13.18, from 8.0.0 before 8.5.9, and from 8.6.0 before 8.12.1 allows unauthorized access to the Support Entitlement Number (SEN) via HTTP Response headers.

Affected Systems and Versions

Product: Jira Server
Vendor: Atlassian
Affected Versions:
Versions before 7.13.18
Versions from 8.0.0 before 8.5.9
Versions from 8.6.0 before 8.12.1

Exploitation Mechanism

The vulnerability can be exploited by a remote attacker with limited privileges leveraging an Information Disclosure flaw in the HTTP Response headers.

Mitigation and Prevention

Protect your systems from CVE-2020-14183 by following these mitigation and prevention strategies.

Immediate Steps to Take

Update Jira Server to the latest patched version.
Monitor network traffic for any suspicious activity.
Restrict access to sensitive information based on user roles.

Long-Term Security Practices

Regularly audit and review access controls in Jira instances.
Educate users on security best practices to prevent unauthorized access.

Patching and Updates

Apply security patches provided by Atlassian promptly.
Stay informed about security advisories and updates from Atlassian.