Jira CVE-2022-40149 Description and Immediate Mitigation Steps:

• • Severity: The critical vulnerability in Atlassian Jira Software Data Center, Jira Software Server is classified as “HIGH”
  • Versions Impacted: 8.20.0, 8.22.0, 8.22.1, 8.22.2, 9.0.0, 8.22.3, 9.1.0, 8.22.4, 9.2.0, 8.22.6, 9.1.1, 9.3.0, 9.4.0, 9.2.1, 9.3.1, 9.5.0, 9.3.2, 9.4.1, 9.6.0, 9.5.1, 9.4.2, 9.3.3, 9.4.3, 9.7.0, 9.4.4, 9.8.0, 9.7.1, 9.4.5, 9.4.6, 9.8.1, 9.4.7, 9.4.8, 9.4.9, 9.4.10, 9.7.2, 9.8.2, 9.4.11, 9.4.12, 9.4.13, 9.4.14, 9.4.15
  • Vulnerability Type: Public Security Vulnerability
  • CVE Identifier: The specific vulnerability is tracked as CVE-2022-40149
  • CVSS Score: Atlassian assigned a CVSS score of 7.5 to this vulnerability, highlighting its severity. 
  • Affected Products: Jira Software Data Center, Jira Software Server
  • This High severity vulnerability was introduced in versions 8.20.0, 8.22.0, 9.0.0, 9.1.0, 9.2.0, 9.3.0, 9.4.0, 9.5.0, 9.6.0, 9.7.0, and 9.8.0 of Jira Software Data Center and Server.
  • This vulnerability allows an unauthenticated attacker to expose assets in your environment susceptible to exploitation which has no impact to confidentiality, no impact to integrity, high impact to availability, and requires no user interaction.

Affected Versions:

Recommended Actions:

• • Atlassian recommends that Jira Software Data Center and Server customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions. 

Standard Manual Upgrade Steps:

• • Notify users of outage for critical hotfixing
  • Stop services across all nodes
  • Backup existing database and shared home prior to upgrade
  • Make copies of the setenv.sh and server.xml found in the application install directories bin & conf (these hold critical settings we want to propogate again post upgrade
  • Download the hotfix from the Atlassian archives
  • Apply the upgrade, do not auto-start services
  • Copy back the setenv.sh, server.xml, and any other customized files you had to copy during the upgrade process
  • Restart services and perform smoke testing once Jira is available

Conclusion:

The advisory regarding the critical DoS (Denial of Service) vulnerability, CVE-2022-40149, in Atlassian Jira Software Data Center, Jira Software Server. With a CVSS score of 7.5 , this vulnerability poses a significant threat, allowing unauthenticated attackers to potentially compromise Jira Instances. 

To safeguard their systems and prevent the potential leakage of sensitive information and malicious attacks, all users are recommended to upgraded to latest versions. 

Here is the notice from the National Vulnerability Database

Link to Atlassian ticket can be found here. 

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