CVE-2021-37843 : Security Advisory and Response

This CVE-2021-37843 article provides insights into a security vulnerability in the resolution SAML SSO apps for multiple Atlassian products.

Understanding CVE-2021-37843

This section delves into the impact and technical details of CVE-2021-37843.

What is CVE-2021-37843?

The resolution SAML SSO apps for Atlassian products allow a remote attacker to login to a user account using only the username, without additional authentication.

The Impact of CVE-2021-37843

The vulnerability has a CVSS base score of 9.8, categorizing it as critical. It can lead to high impact on confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2021-37843

Explore the specific technical aspects of CVE-2021-37843 vulnerability.

Vulnerability Description

The vulnerability allows attackers to log in to user accounts with just the knowledge of the username, bypassing normal authentication mechanisms.

Affected Systems and Versions

The affected products include Jira, Confluence, Bitbucket, Bamboo, and Fisheye, with specific fixed versions listed.

Exploitation Mechanism

The attack complexity is categorized as low, with a network-based attack vector, high availability impact, and the need for no special privileges for exploitation.

Mitigation and Prevention

Learn how to address and prevent the CVE-2021-37843 vulnerability.

Immediate Steps to Take

Users should update their Atlassian products to the fixed versions provided by the vendor to mitigate the risk.

Long-Term Security Practices

Implement robust authentication mechanisms and regularly update software to prevent unauthorized access.

Patching and Updates

Stay informed about security advisories and promptly apply patches released by Atlassian to protect systems from exploitation.